Table:
0
A
B
C
D
E
1
Stage
Date
Course
Distance
Winner
2
1
10 May
Madrid – Salamanca
km (mi)
Julián Berrendero ( ESP )
3
2
11 May
Salamanca – Cáceres
km (mi)
Delio Rodríguez ( ESP )
4
3
12 May
Cáceres – Badajoz
km (mi)
Miguel Gual ( ESP )
5
4a
13 May
Badajoz – Almendralejo
km (mi)
Juan Gimeno ( ESP )
6
4b
13 May
Almendralejo – Sevilla
km (mi)
Vicente Miro ( ESP )
7
5
15 May
Sevilla – Granada
km (mi)
Antonio Montes ( ESP )
8
6
16 May
Granada – Murcia
km (mi)
Joaquin Olmos ( ESP )
9
7
17 May
Murcia – Valencia
km (mi)
Delio Rodríguez ( ESP )
10
8
19 May
Valencia – Tortosa
km (mi)
Delio Rodríguez ( ESP )
11
9
20 May
Tortosa – Barcelona
km (mi)
Miguel Gual ( ESP )
12
10
21 May
Barcelona – Zaragoza
km (mi)
Miguel Gual ( ESP )
13
11
22 May
Zaragoza – San Sebastián
km (mi)
José Gutierrez ( ESP )
14
12
24 May
San Sebastián – Bilbao
km (mi)
Joao Rebelo ( POR )
15
13
25 May
Bilbao – Santander
km (mi)
Delio Rodríguez ( ESP )
16
14
26 May
Santander – Reinosa
km (mi)
Joao Rebelo ( POR )
17
15
27 May
Reinosa – Gijón
km (mi)
Delio Rodríguez ( ESP )
18
16
29 May
Gijón – León
km (mi)
Julián Berrendero ( ESP )
19
17
30 May
León – Valladolid
km (mi)
Delio Rodríguez ( ESP )
20
18
31 May
Valladolid – Madrid
km (mi)
Joaquin Olmos ( ESP )

Questions and formulas:
Question: What is the Distance of the 1945 Vuelta a Espana with 4A Stage?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="4a"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E20,A2:A20="4a"),4))
Level: medium