Table:
0
A
B
C
D
E
1
Game
December
Opponent
Score
Record
2
26
1
Washington Capitals
4 - 1
11-11-4
3
27
4
@ Minnesota North Stars
11 - 4
12-11-4
4
28
5
Toronto Maple Leafs
5 - 5
12-11-5
5
29
8
St. Louis Blues
4 - 4
12-11-6
6
30
11
@ Toronto Maple Leafs
4 - 1
12-12-6
7
31
12
Montreal Canadiens
5 - 2
13-12-6
8
32
14
@ New York Islanders
4 - 4
13-12-7
9
33
16
@ Buffalo Sabres
7 - 2
13-13-7
10
34
18
@ Chicago Black Hawks
3 - 3
13-13-8
11
35
19
Cleveland Barons
3 - 2
14-13-8
12
36
22
Philadelphia Flyers
3 - 3
14-13-9
13
37
23
@ Boston Bruins
3 - 3
14-13-10
14
38
26
New York Islanders
2 - 1
14-14-10
15
39
28
@ Washington Capitals
5 - 2
15-14-10
16
40
31
Atlanta Flames
4 - 2
15-15-10

Questions and formulas:
Question: What is the sum of the dates in december that were against the atlanta flames before game 40?
Formula: SUM(FILTER(B1, (C1="atlanta flames")*(A1<40)))
Formula2: SUM(FILTER(B2:B16, (C2:C16="atlanta flames")*(A2:A16<40)))
Level: easy
Question: What was the score of the game against montreal canadiens after game 26?
Formula: LET(query1,LET(query1,FILTER(A1:E1,C1="montreal canadiens"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)>26))
Formula2: LET(query1,LET(query1,FILTER(A2:E16,C2:C16="montreal canadiens"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)>26))
Level: hard