Table:
0
A
B
C
D
E
1
Home (1st leg)
Home (2nd leg)
1st Leg
2nd leg
Aggregate
2
Guaraní
Platense
0-0
0-1
0-1
3
Huracán
Racing de Córdoba
2-1
1-1
3-2
4
Belgrano
Huracán La Heras
2-1
1-3
3-4
5
Central Norte
Círculo Deportivo
0-0
2-3
2-3
6
Altos Hornos Zapla
Argentino (F)
2-0
1-2
3-2
7
Juventud Alianza
Temperley
4-3
1-4
5-7
8
Cipolletti
Instituto
0-0
1-3
1-3
9
Gimnasia La Plata
Juventud Antoniana
3-0
0-1
3-1

Questions and formulas:
Question: What is the 1st leg for Instituto?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="instituto"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,B2:B9="instituto"),3))
Level: medium
Question: What Aggregate has a 2-1 1st leg, and is from Belgrano?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="2-1")*(A1="belgrano")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(C2:C9="2-1")*(A2:A9="belgrano")),5))
Level: medium
Question: What Aggregate has a 0-0 1st leg, and a 0-1 second leg?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="0-0")*(D1="0-1")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(C2:C9="0-0")*(D2:D9="0-1")),5))
Level: medium
Question: What aggregate has a 0-0 1st leg, and is from Instituto?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="0-0")*(B1="instituto")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(C2:C9="0-0")*(B2:B9="instituto")),5))
Level: medium
Question: What is the home of aggregate's 3-4?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="3-4"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="3-4"),2))
Level: medium