Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 4, 1983
at Tampa Bay Buccaneers
W 11-0
62,154
3
2
September 11, 1983
Cleveland Browns
L 31-26
60,095
4
3
September 18, 1983
Atlanta Falcons
L 30-14
54,622
5
4
September 25, 1983
at Minnesota Vikings
L 20-17
58,254
6
5
October 2, 1983
at Los Angeles Rams
L 21-10
49,403
7
6
October 9, 1983
Green Bay Packers
W 38-14
67,738
8
7
October 16, 1983
Chicago Bears
W 31-17
66,709
9
8
October 23, 1983
at Washington Redskins
L 38-17
43,189
10
9
October 30, 1983
at Chicago Bears
W 38-17
58,764
11
10
November 7, 1983
New York Giants
W 15-9
68,985
12
11
November 13, 1983
at Houston Oilers
L 27-17
40,660
13
12
November 20, 1983
at Green Bay Packers
W 23-20 OT
50,050
14
13
November 24, 1983
Pittsburgh Steelers
W 45-3
77,724
15
14
December 5, 1983
Minnesota Vikings
W 13-2
79,169
16
15
December 11, 1983
at Cincinnati Bengals
L 17-9
45,728
17
16
December 18, 1983
Tampa Bay Buccaneers
W 23-20
78,392

Questions and formulas:
Question: On which date was the opponent the Chicago Bears?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="chicago bears"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,C2:C17="chicago bears"),2))
Level: medium
Question: Which week was on october 30, 1983?
Formula: SUMIFS(A1,B1,"october 30, 1983")
Formula2: SUMIFS(A2:A17,B2:B17,"october 30, 1983")
Level: easy