Table:
0
A
B
C
D
E
F
G
1
Home team
Home team score
Away team
Away team score
Venue
Crowd
Date
2
Essendon
11.6 (72)
Geelong
9.4 (58)
Windy Hill
31,560
23 April 1966
3
Collingwood
17.13 (115)
Hawthorn
9.8 (62)
Victoria Park
32,741
23 April 1966
4
South Melbourne
16.19 (115)
Fitzroy
9.8 (62)
Lake Oval
22,376
23 April 1966
5
Melbourne
4.9 (33)
St Kilda
17.7 (109)
MCG
64,934
25 April 1966
6
Footscray
11.9 (75)
North Melbourne
13.9 (87)
Western Oval
23,252
25 April 1966
7
Carlton
14.16 (100)
Richmond
16.10 (106)
Princes Park
43,695
25 April 1966

Questions and formulas:
Question: Who was the away team when the home team was South Melbourne?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="south melbourne"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,A2:A7="south melbourne"),3))
Level: medium