Table:
0
A
B
C
D
E
1
Game
Date
Opponent
Score
Series
2
1
April 8
New York Rangers
0–3
Rangers lead 1–0
3
2
April 9
New York Rangers
8–3
Series tied 1–1
4
3
April 11
@ New York Rangers
3–0
Flyers lead 2–1
5
4
April 12
@ New York Rangers
3–6
Series tied 2–2
6
5
April 14
New York Rangers
3–1
Flyers lead 3–2
7
6
April 16
@ New York Rangers
5–0
Flyers win 4–2

Questions and formulas:
Question: Which opponent did they play against on April 16?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="april 16"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="april 16"),3))
Level: medium