Table:
0
A
B
C
D
E
F
G
1
Game
Date
Opponent
Result
Bruins points
Opponents
Record
2
1
Sept. 13
Iowa State
Win
37
21
1–0–0
3
2
Sept. 20
Tennessee
Win
34
28
2–0–0
4
3
Sept. 27
@ Air Force
Tie
20
20
2–0–1
5
4
Oct. 4
Ohio State
Loss
20
41
2–1–1
6
5
Oct. 11
@ Stanford
Win
31
21
3–1–1
7
6
Oct. 18
@ Washington State
Win
37
23
4–1–1
8
7
Oct. 25
California
Win
28
14
5–1–1
9
8
Nov. 1
Washington
Loss
13
17
5–2–1
10
9
Nov. 8
@ Oregon
Win
50
17
6–2–1
11
10
Nov. 15
Oregon State
Win
31
9
7–2–1
12
11
Nov. 28
@ USC
Win
25
22
8–2–1

Questions and formulas:
Question: How many times did the Bruins play Tennessee?
Formula: ROWS(UNIQUE(FILTER(D1, C1="Tennessee")))
Formula2: ROWS(UNIQUE(FILTER(D2:D12, C2:C12="Tennessee")))
Level: medium