Table:
0
A
B
C
D
E
F
G
1
Home team
Home team score
Away team
Away team score
Venue
Crowd
Date
2
St Kilda
10.11 (71)
South Melbourne
12.17 (89)
Junction Oval
30,000
9 May 1936
3
Footscray
8.20 (68)
Hawthorn
11.7 (73)
Western Oval
10,000
9 May 1936
4
Collingwood
16.12 (108)
Richmond
10.12 (72)
Victoria Park
26,500
9 May 1936
5
Carlton
21.19 (145)
Essendon
5.13 (43)
Princes Park
25,000
9 May 1936
6
North Melbourne
9.14 (68)
Geelong
11.8 (74)
Arden Street Oval
9,000
9 May 1936
7
Melbourne
15.17 (107)
Fitzroy
8.11 (59)
MCG
16,245
9 May 1936

Questions and formulas:
Question: What date did Hawthorn play as the away team?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="hawthorn"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,C2:C7="hawthorn"),7))
Level: medium