Table:
0
A
B
C
D
E
1
Tie no
Home team
Score
Away team
Date
2
1
Nelson
1–1
York City
13 December 1930
3
Replay
York City
3–2
Nelson
18 December 1930
4
2
Watford
3–1
Luton Town
13 December 1930
5
3
Walsall
4–0
Newport County
13 December 1930
6
4
Gillingham
1–3
Aldershot
13 December 1930
7
5
Crewe Alexandra
2–4
Queens Park Rangers
13 December 1930
8
6
Gainsborough Trinity
0–4
Southport
13 December 1930
9
7
Scarborough
6–4
Lincoln City
13 December 1930
10
8
Doncaster Rovers
0–1
Notts County
13 December 1930
11
9
Wellington Town
2–4
Wrexham
13 December 1930
12
10
Fulham
4–0
Halifax Town
13 December 1930
13
11
Accrington Stanley
0–1
Torquay United
13 December 1930
14
12
Brentford
1–0
Norwich City
13 December 1930
15
13
Bristol Rovers
4–2
Stockport County
13 December 1930
16
14
Carlisle United
4–2
Tunbridge Wells Rangers
13 December 1930
17
15
Crystal Palace
6–0
Newark Town
13 December 1930
18
16
Exeter City
1–1
Coventry City
13 December 1930
19
Replay
Coventry City
1–2
Exeter City
18 December 1930
20
17
Gateshead
3–2
Folkestone
13 December 1930

Questions and formulas:
Question: what is the date when the away team is newport county?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="newport county"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E20,D2:D20="newport county"),5))
Level: medium