Table:
0
A
B
C
D
E
F
G
1
Week
Date
Opponent
Result
Record
Game Site
Attendance
2
1
September 6, 1981
at New England Patriots
W 29–28
1–0
Schaeffer Stadium
49,572
3
2
September 13, 1981
Buffalo Bills
L 3–35
1–1
Memorial Stadium
44,950
4
3
September 20, 1981
at Denver Broncos
L 10–28
1–2
Mile High Stadium
74,804
5
4
September 27, 1981
Miami Dolphins
L 28–31
1–3
Memorial Stadium
41,630
6
5
October 4, 1981
at Buffalo Bills
L 17–23
1–4
Rich Stadium
77,811
7
6
October 11, 1981
Cincinnati Bengals
L 19–41
1–5
Memorial Stadium
33,060
8
7
October 18, 1981
San Diego Chargers
L 14–43
1–6
Memorial Stadium
41,921
9
8
October 25, 1981
at Cleveland Browns
L 28–42
1–7
Cleveland Stadium
78,986
10
9
November 1, 1981
at Miami Dolphins
L 10–27
1–8
Orange Bowl
46,061
11
10
November 8, 1981
New York Jets
L 14–41
1–9
Memorial Stadium
31,521
12
11
November 15, 1981
at Philadelphia Eagles
L 13–38
1–10
Veterans Stadium
68,618
13
12
November 22, 1981
St. Louis Cardinals
L 24–35
1–11
Memorial Stadium
24,784
14
13
November 29, 1981
at New York Jets
L 0–25
1–12
Shea Stadium
53,593
15
14
December 6, 1981
Dallas Cowboys
L 13–37
1–13
Memorial Stadium
54,871
16
15
December 13, 1981
at Washington Redskins
L 14–38
1–14
RFK Stadium
46,706
17
16
December 20, 1981
New England Patriots
W 23–21
2–14
Memorial Stadium
17,073

Questions and formulas:
Question: What is the date of the game being played at Schaeffer Stadium?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="schaeffer stadium"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,F2:F17="schaeffer stadium"),2))
Level: medium