Table:
0
A
B
C
D
E
1
Round
Opposition
First leg
Second leg
Aggregate score
2
1st
Lyon
3–4 (a)
3–0 (h)
6–4
3
2nd
Ipswich Town
0–3 (a)
4–0 (h)
4–3
4
3rd
Roma
1–0 (h)
1–0 (a)
2–0
5
Quarter-final
Milan
2–0 (h)
1–2 (a)
3–2
6
Semi-final
Hamburg
1–1 (a)
1–0 (h)
2–1

Questions and formulas:
Question: What round had the opponent Lyon?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="lyon"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="lyon"),1))
Level: medium
Question: Who has the first leg that has a round in the semi-final?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="semi-final"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,A2:A6="semi-final"),3))
Level: medium