Table:
0
A
B
C
D
E
F
G
1
Week
Date
Opponent
Result
Record
Game Site
Attendance
2
1
September 4, 1978
at Dallas Cowboys
L 0–38
0–1
Texas Stadium
64224
3
2
September 10, 1978
Miami Dolphins
L 0–42
0–2
Memorial Stadium
47730
4
3
September 18, 1978
at New England Patriots
W 34–27
1–2
Schaeffer Stadium
57284
5
4
September 24, 1978
at Buffalo Bills
L 17–24
1–3
Rich Stadium
55270
6
5
October 1, 1978
Philadelphia Eagles
L 14–17
1–4
Memorial Stadium
50314
7
6
October 8, 1978
at St. Louis Cardinals
W 30–17
2–4
Busch Memorial Stadium
47479
8
7
October 15, 1978
New York Jets
L 10–33
2–5
Memorial Stadium
45563
9
8
October 22, 1978
Denver Broncos
W 7–6
3–5
Memorial Stadium
54057
10
9
October 29, 1978
at Miami Dolphins
L 8–26
3–6
Miami Orange Bowl
53524
11
10
November 6, 1978
Washington Redskins
W 21–17
4–6
Memorial Stadium
57631
12
11
November 12, 1978
at Seattle Seahawks
W 17–14
5–6
Kingdome
61905
13
12
November 19, 1978
Cleveland Browns
L 24–25
5–7
Cleveland Stadium
45341
14
13
November 26, 1978
New England Patriots
L 14–35
5–8
Memorial Stadium
42828
15
14
December 3, 1978
at New York Jets
L 17–30
5–9
Shea Stadium
50248
16
15
December 9, 1978
at Pittsburgh Steelers
L 13–35
5–10
Three Rivers Stadium
41957

Questions and formulas:
Question: Who were all of the opponents when the date was November 12, 1978?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="November 12, 1978"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G16,B2:B16="November 12, 1978"),3))
Level: medium
Question: What is the total number of values for attendance for the date October 1, 1978?
Formula: SUMIFS(G1,B1,"October 1, 1978")
Formula2: SUMIFS(G2:G16,B2:B16,"October 1, 1978")
Level: easy