Table:
0
A
B
C
D
E
F
1
Name
Circuit
Date
Winning drivers
Winning constructor
Report
2
Monaco Grand Prix
Monaco
23 April
Achille Varzi
Bugatti
Report
3
French Grand Prix
Montlhéry
11 June
Giuseppe Campari
Maserati
Report
4
Belgian Grand Prix
Spa-Francorchamps
9 July
Tazio Nuvolari
Maserati
Report
5
Italian Grand Prix
Monza
10 September
Luigi Fagioli
Alfa Romeo
Report
6
Spanish Grand Prix
Lasarte
24 September
Louis Chiron
Alfa Romeo
Report

Questions and formulas:
Question: What was the name of the race on 24 September?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="24 september"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,C2:C6="24 september"),1))
Level: medium
Question: What is the name of the race on 9 July?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="9 july"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,C2:C6="9 july"),1))
Level: medium
Question: What was the race that was won by a Maserati being driven by Giuseppe Campari?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="maserati")*(D1="giuseppe campari")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,(E2:E6="maserati")*(D2:D6="giuseppe campari")),2))
Level: medium
Question: What date was the race won by Louis Chiron?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="louis chiron"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,D2:D6="louis chiron"),3))
Level: medium
Question: What brand of vehicle won a race driven by Tazio Nuvolari?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="tazio nuvolari"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,D2:D6="tazio nuvolari"),5))
Level: medium
Question: What race was won by Tazio Nuvolari?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="tazio nuvolari"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,D2:D6="tazio nuvolari"),1))
Level: medium