Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 2, 1979
Baltimore Colts
W 14–0
50,442
3
2
September 9, 1979
Cleveland Browns
L 27–24
42,181
4
3
September 16, 1979
at Houston Oilers
L 20–6
45,684
5
4
September 23, 1979
Oakland Raiders
W 35–7
67,821
6
5
September 30, 1979
at Seattle Seahawks
W 24–6
61,169
7
6
October 7, 1979
at Cincinnati Bengals
W 10–7
40,041
8
7
October 14, 1979
Denver Broncos
L 24–10
74,292
9
8
October 21, 1979
New York Giants
L 21–17
44,362
10
9
October 28, 1979
at Denver Broncos
L 20–3
74,908
11
10
November 4, 1979
San Diego Chargers
L 20–14
59,353
12
11
November 11, 1979
Pittsburgh Steelers
L 30–3
70,132
13
12
November 18, 1979
at Oakland Raiders
W 24–21
53,596
14
13
November 25, 1979
at San Diego Chargers
L 28–7
50,078
15
14
December 2, 1979
Seattle Seahawks
W 37–21
42,160
16
15
December 9, 1979
at Baltimore Colts
W 10–7
25,684
17
16
December 16, 1979
at Tampa Bay Buccaneers
L 3–0
63,624

Questions and formulas:
Question: Who is the opponent on September 9, 1979?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="september 9, 1979"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,B2:B17="september 9, 1979"),3))
Level: medium
Question: What is the sum of the week for the Denver Broncos?
Formula: SUMIFS(A1,C1,"denver broncos")
Formula2: SUMIFS(A2:A17,C2:C17,"denver broncos")
Level: easy
Question: What is the attendance number for December 2, 1979?
Formula: SUMIFS(E1,B1,"december 2, 1979")
Formula2: SUMIFS(E2:E17,B2:B17,"december 2, 1979")
Level: easy