Table:
0
A
B
C
D
E
F
G
1
Home team
Home team score
Away team
Away team score
Venue
Crowd
Date
2
Collingwood
14.15 (99)
Essendon
19.19 (133)
Victoria Park
27,824
12 May 1979
3
South Melbourne
26.19 (175)
St Kilda
11.20 (86)
Lake Oval
12,394
12 May 1979
4
Geelong
9.18 (72)
Footscray
7.5 (47)
Kardinia Park
27,824
12 May 1979
5
Melbourne
21.14 (140)
Fitzroy
24.19 (163)
MCG
21,783
12 May 1979
6
Hawthorn
16.12 (108)
Carlton
25.18 (168)
Princes Park
29,935
12 May 1979
7
North Melbourne
14.15 (99)
Richmond
13.16 (94)
VFL Park
22,626
12 May 1979

Questions and formulas:
Question: Where did Essendon play as the away team?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="essendon"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,C2:C7="essendon"),5))
Level: medium