Table:
0
A
B
C
D
E
F
1
Race Name
Circuit
Date
Winning driver
Constructor
Report
2
Gran Premio Ciudad de Buenos Aires
Buenos Aires
30 January
Juan Manuel Fangio
Mercedes
Report
3
VII Gran Premio del Valentino
Valentino Park
27 March
Alberto Ascari
Lancia
Report
4
XVI Pau Grand Prix
Pau
11 April
Jean Behra
Maserati
Report
5
III Glover Trophy
Goodwood
11 April
Roy Salvadori
Maserati
Report
6
IV Grand Prix de Bordeaux
Bordeaux
25 April
Jean Behra
Maserati
Report
7
VII BRDC International Trophy
Silverstone
7 May
Peter Collins
Maserati
Report
8
VIII Gran Premio di Napoli
Posillipo
8 May
Alberto Ascari
Lancia
Report
9
XVII Grand Prix d'Albi
Albi
29 May
André Simon
Maserati
Report
10
III Curtis Trophy
Snetteron
29 May
Roy Salvadori
Maserati
Report
11
III Cornwall MRC Formula 1 Race
Davidstow
30 May
Leslie Marr
Connaught - Alta
Report
12
III London Trophy
Crystal Palace
30 July
Mike Hawthorn
Maserati
Report
13
III Daily Record Trophy
Charterhall
6 August
Bob Gerard
Maserati
Report
14
III RedeX Trophy
Snetterton
13 August
Harry Schell
Vanwall
Report
15
II Daily Telegraph Trophy
Aintree
3 September
Roy Salvadori
Maserati
Report
16
II International Gold Cup
Oulton Park
24 September
Stirling Moss
Maserati
Report
17
I Avon Trophy
Castle Combe
1 October
Harry Schell
Vanwall
Report
18
V Gran Premio di Siracusa
Syracuse
23 October
Tony Brooks
Connaught - Alta
Report

Questions and formulas:
Question: Who is the constructor whose circuit was Oulton Park?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="oulton park"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F18,B2:B18="oulton park"),5))
Level: medium
Question: What is the name of the race for which the circuit was Snetterton?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="snetterton"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F18,B2:B18="snetterton"),1))
Level: medium