how many colorado rockies in home games that ended with a 3 or less run differential in 2021

The Colorado Rockies had a run differential of 2 runs at home against the Nationals on September 28, 2021.

Interpreted as:

How many colorado rockies in home regular-season games that ended with a 3 or less run differential in 2021?

	TEAM	DATE	DIFF	TM		OPP	RESULT	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Rockies	9/28/2021	2	COL	vs	WSH	W 3-1	31	3	9	4	1	1	3	4	0	13	0	0	36	18	6	1	0	1	1	.290	.371	.581	.952
2	Rockies	9/27/2021	-1	COL	vs	WSH	L 4-5	35	4	8	2	0	0	4	6	1	6	1	0	42	10	2	0	0	0	1	.229	.357	.286	.643
3	Rockies	9/26/2021	-4	COL	vs	SFG	L 2-6	34	2	5	0	0	1	2	0	0	16	0	0	34	8	1	0	0	0	1	.147	.147	.235	.382
4	Rockies	9/25/2021	-5	COL	vs	SFG	L 2-7	38	2	11	2	0	0	2	1	1	6	0	0	40	13	2	0	0	0	0	.289	.325	.342	.667
5	Rockies	9/24/2021	-5	COL	vs	SFG	L 2-7	38	2	11	1	0	0	2	0	1	12	0	0	39	12	1	0	0	0	0	.289	.308	.316	.623
6	Rockies	9/23/2021	-2	COL	vs	LAD	L 5-7	38	5	9	1	0	1	5	3	0	11	0	0	41	13	2	0	0	0	1	.237	.293	.342	.635
7	Rockies	9/21/2021	-1	COL	vs	LAD	L 4-5	39	4	9	5	0	0	4	5	0	11	0	0	44	14	5	0	0	0	0	.231	.318	.359	.677
8	Rockies	9/8/2021	-3	COL	vs	SFG	L 4-7	36	4	10	3	0	1	4	3	0	8	0	1	39	16	4	0	0	1	0	.278	.333	.444	.778
9	Rockies	9/7/2021	-9	COL	vs	SFG	L 3-12	37	3	11	3	0	0	3	0	0	7	0	0	37	14	3	0	0	0	1	.297	.297	.378	.676
10	Rockies	9/6/2021	-5	COL	vs	SFG	L 5-10	34	5	7	2	1	3	5	2	1	9	0	0	37	20	6	0	0	0	1	.206	.270	.588	.859
11	Rockies	9/5/2021	-7	COL	vs	ATL	L 2-9	28	2	2	0	1	0	2	2	0	4	0	0	31	4	1	0	1	0	0	.071	.129	.143	.272
12	Rockies	9/4/2021	1	COL	vs	ATL	W 7-6	29	7	8	2	1	2	7	6	0	6	1	0	37	18	5	1	1	0	0	.276	.389	.621	1.010
13	Rockies	9/3/2021	1	COL	vs	ATL	W 4-3	28	4	6	3	0	1	4	1	1	10	0	0	31	12	4	0	1	0	1	.214	.258	.429	.687
14	Rockies	9/2/2021	-1	COL	vs	ATL	L 5-6	34	5	9	0	0	1	5	0	1	5	2	0	35	12	1	0	0	0	3	.265	.286	.353	.639
15	Rockies	8/22/2021	-4	COL	vs	ARI	L 4-8	30	4	5	3	1	0	4	6	1	9	0	0	38	10	4	0	1	0	1	.167	.316	.333	.649
16	Rockies	8/21/2021	3	COL	vs	ARI	W 5-2	32	5	7	0	0	2	5	2	0	11	0	0	34	13	2	0	0	0	1	.219	.265	.406	.671
17	Rockies	8/18/2021	2	COL	vs	SDP	W 7-5	33	7	11	2	0	2	7	1	1	9	0	1	35	19	4	0	0	0	0	.333	.371	.576	.947
18	Rockies	8/16/2021	1	COL	vs	SDP	W 6-5	31	6	9	1	0	3	6	1	0	5	0	0	32	19	4	0	0	0	3	.290	.313	.613	.925
19	Rockies	8/7/2021	3	COL	vs	MIA	W 7-4	33	7	12	4	0	0	7	4	2	2	0	0	40	16	4	0	1	0	1	.364	.450	.485	.935
20	Rockies	8/5/2021	1	COL	vs	CHC	W 6-5	34	6	13	1	0	4	6	2	0	5	0	1	37	26	5	1	0	0	0	.382	.417	.765	1.181
21	Rockies	8/4/2021	-1	COL	vs	CHC	L 2-3	33	2	10	4	0	0	2	2	0	5	0	0	35	14	4	0	0	0	3	.303	.343	.424	.767
22	Rockies	7/21/2021	3	COL	vs	SEA	W 6-3	27	6	6	1	1	0	6	5	0	4	1	0	34	9	2	1	1	0	1	.222	.333	.333	.667
23	Rockies	7/20/2021	-2	COL	vs	SEA	L 4-6	34	4	11	2	1	2	4	4	0	8	1	1	39	21	5	1	0	0	1	.324	.395	.618	1.012
24	Rockies	7/18/2021	1	COL	vs	LAD	W 6-5	36	6	8	1	0	1	5	2	0	9	1	0	40	12	2	1	1	0	1	.222	.256	.333	.590
25	Rockies	7/17/2021	-7	COL	vs	LAD	L 2-9	30	2	4	2	0	0	2	2	0	10	0	0	33	6	2	0	1	0	0	.133	.182	.200	.382