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
16.11 (107)
Richmond
10.9 (69)
Glenferrie Oval
13,000
17 May 1947
3
Footscray
17.18 (120)
North Melbourne
11.13 (79)
Western Oval
13,000
17 May 1947
4
Fitzroy
19.18 (132)
St Kilda
7.14 (56)
Brunswick Street Oval
10,000
17 May 1947
5
South Melbourne
13.9 (87)
Geelong
15.16 (106)
Lake Oval
12,000
17 May 1947
6
Melbourne
15.5 (95)
Collingwood
9.16 (70)
MCG
33,500
17 May 1947
7
Essendon
8.16 (64)
Carlton
14.7 (91)
Windy Hill
32,000
17 May 1947

Questions and formulas:
Question: I want to know the date for western oval venue
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="western oval"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,E2:E7="western oval"),7))
Level: medium