how many rings does gregg popovich have and which years and which teams did win

The Boston Celtics have won 18 championships all-time.

	TEAM	CHAMPS	SEAS	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	MIN	PTS	REB	AST	STL	BLK	PF
1	Celtics	18	79	6,196	241.6	105.4	50.3	23.8	8.1	4.8	40.3	90.5	44.6	6.2	17.4	35.7	21.0	27.7	75.8	51.4	12.2	31.7	1,497,065	653,236	299,569	147,556	33,924	20,338	144,292
2	Stags	0	4	237	241.6	79.0		14.6			30.3	95.5	31.7				18.5	27.7	66.6	36.7			57,255	18,727		3,454			6,319
3	Rebels	0	1	60	242.1	70.9		8.2			27.9	95.0	29.4				15.1	23.8	63.2	33.6			14,525	4,251		494			1,246
4	Falcons	0	1	60	240.4	63.3		8.0			24.0	97.4	24.6				15.4	24.9	61.8	29.2			14,425	3,797		482			1,351
5	Knicks	2	79	6,187	241.9	102.2	47.9	22.2	7.9	4.3	39.0	87.7	44.5	5.9	16.6	35.4	20.6	27.7	74.5	51.2	12.2	30.5	1,496,705	632,385	284,830	137,641	33,072	18,195	148,928
6	Warriors	7	79	6,186	241.6	105.9	50.2	23.5	8.8	5.1	40.5	91.3	44.3	6.5	18.0	36.2	21.0	28.4	74.1	51.0	13.3	31.1	1,494,315	655,042	298,785	145,434	36,826	21,188	145,655
7	Ironmen	0	1	60	240.8	61.2		4.5			22.4	82.7	27.1				16.4	25.1	65.3	32.7			14,450	3,674		272			1,360
8	Steam Rollers	0	3	168	241.6	73.7		11.0			27.7	93.1	29.7				18.3	27.9	65.8	35.0			40,595	12,375		1,854			3,669
9	Bombers	0	4	237	242.4	72.0		12.9			26.6	86.0	30.9				18.8	27.7	67.9	36.7			57,455	17,053		3,064			5,360
10	Huskies	0	1	60	240.4	66.6		7.7			25.3	94.5	26.7				16.1	25.9	62.2	31.4			14,425	3,996		463			1,271
11	Capitols	0	5	271	241.3	77.2	43.8	12.2			28.0	90.2	31.1				21.2	28.8	73.5	37.5			65,390	20,920	1,534	3,296			6,825
12	Bullets	1	7	450	242.2	79.8	52.4	18.2			28.2	82.6	34.2				23.4	32.7	71.5	41.2			108,970	35,901	14,367	8,170			11,975
13	Pistons	3	77	6,080	241.6	102.4	48.4	22.0	7.8	4.9	39.0	88.3	44.2	5.4	15.5	34.8	21.1	28.5	73.9	50.8	13.0	30.3	1,468,850	622,624	287,856	134,020	32,749	20,533	142,905
14	Jets	0	1	60	240.4	74.7		20.4			27.0	89.5	30.2				20.7	30.0	69.0	36.4			14,425	4,482		1,225			1,393
15	Lakers	17	77	6,086	241.7	106.7	49.2	24.1	8.3	5.5	40.8	89.0	45.8	5.8	16.7	34.7	21.6	29.0	74.5	52.4	12.5	31.7	1,471,190	649,431	293,399	146,617	34,734	23,054	137,208
16	Kings	1	77	6,087	241.7	105.1	47.8	23.6	8.2	4.6	40.1	88.8	45.2	5.7	15.9	35.6	21.4	28.5	75.0	51.8	12.4	30.6	1,471,255	639,677	285,131	143,865	34,457	19,242	145,347
17	Packers	0	1	64	244.3	87.3		19.4			30.4	97.7	31.1				26.6	36.6	72.7	38.4			15,635	5,589		1,240			1,806
18	Nuggets	0	1	62	240.0	77.7		16.8			27.9	83.6	33.4				21.9	32.2	67.8	39.7			14,880	4,817		1,044			1,692
19	Olympians	0	4	269	242.6	81.1	45.8	20.0			29.5	81.0	36.4				22.1	30.8	71.8	42.9			65,260	21,817	9,393	5,368			6,596
20	Red Skins	0	1	62	240.0	82.4		20.6			27.9	81.0	34.4				26.7	37.7	70.7	42.2			14,880	5,108		1,279			1,766
21	76ers	3	76	6,023	241.7	104.7	48.8	22.8	8.8	5.5	39.5	88.3	44.7	5.1	14.7	34.4	22.6	30.1	75.1	51.6	12.7	30.7	1,455,870	630,883	290,516	137,319	36,741	22,953	140,145
22	Hawks	1	76	6,020	241.6	103.2	48.4	22.8	8.3	5.0	39.0	87.5	44.5	5.7	16.4	35.0	21.7	29.0	74.8	51.4	13.0	30.3	1,454,295	621,366	288,142	137,385	34,920	21,155	142,321
23	Hawks	0	1	62	240.8	79.4		21.4			28.2	79.1	35.6				23.0	32.3	71.4	42.5			14,930	4,921		1,324			1,780
24	Wizards	1	64	5,169	241.6	104.8	46.8	22.8	7.9	5.0	40.6	89.1	45.6	5.1	14.7	34.4	19.9	26.8	74.3	52.0	12.5	30.7	1,248,960	541,894	241,662	118,009	33,226	20,872	116,995
25	Bulls	6	59	4,762	241.8	103.0	45.4	23.8	8.0	4.8	39.6	86.4	45.9	5.2	14.8	35.4	19.6	25.9	75.8	52.6	12.8	31.1	1,151,530	490,268	216,129	113,467	33,383	20,212	106,276