Table:
0
A
B
C
D
E
F
G
1
Home team
Home team score
Away team
Away team score
Venue
Crowd
Date
2
Hawthorn
23.16 (154)
North Melbourne
9.8 (62)
Glenferrie Oval
9,112
7 August 1971
3
Fitzroy
11.17 (83)
South Melbourne
8.10 (58)
Junction Oval
8,253
7 August 1971
4
Essendon
7.23 (65)
Footscray
9.12 (66)
Windy Hill
13,815
7 August 1971
5
Carlton
8.10 (58)
Richmond
14.17 (101)
Princes Park
34,224
7 August 1971
6
Melbourne
18.17 (125)
Geelong
9.8 (62)
MCG
23,017
7 August 1971
7
St Kilda
12.7 (79)
Collingwood
8.10 (58)
VFL Park
46,362
7 August 1971

Questions and formulas:
Question: In the match where geelong was the away team, who was the home team?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="geelong"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,C2:C7="geelong"),1))
Level: medium