Table:
0
A
B
C
D
E
F
1
Round
Date
Event
Circuit
Winning Driver
Winning Team
2
1
April 26
International Procar Meeting
Donington Park
Jan Lammers
BMW Holland
3
2
May 11
Avusrennen
AVUS
Manfred Schurti
Cassani Racing
4
3
May 17
Monaco Grand Prix
Circuit de Monaco
Hans-Joachim Stuck
Project Four
5
4
June 22
200 Miles of Norisring
Norisring
Hans-Joachim Stuck
Project Four
6
5
July 12
British Grand Prix
Brands Hatch
Carlos Reutemann
BMW Motorsport
7
6
August 9
German Grand Prix
Hockenheimring
Didier Pironi
BMW Motorsport
8
7
August 16
Austrian Grand Prix
Österreichring
Nelson Piquet
BMW Motorsport
9
8
August 31
Dutch Grand Prix
Circuit Zandvoort
Nelson Piquet
BMW Motorsport
10
9
September 13
Italian Grand Prix
Autodromo Dino Ferrari
Nelson Piquet
BMW Motorsport

Questions and formulas:
Question: Which Circuit has an Event of international procar meeting?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="international procar meeting"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,C2:C10="international procar meeting"),4))
Level: medium
Question: Which Circuit has a Winning Driver of hans-joachim stuck, and a Round of 3?
Formula: LET(query1,LET(query1,FILTER(A1:F1,E1="hans-joachim stuck"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)=3))
Formula2: LET(query1,LET(query1,FILTER(A2:F10,E2:E10="hans-joachim stuck"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)=3))
Level: hard
Question: Which Winning Driver has a Circuit of circuit zandvoort?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="circuit zandvoort"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,D2:D10="circuit zandvoort"),5))
Level: medium
Question: Which Winning Driver has a Round of 9?
Formula: LET(query1,SUMMARIZE(E1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=9))
Formula2: LET(query1,SUMMARIZE(E2:E10,SUMX(A2:A10)),FILTER(query1,CHOOSECOLS(query1,2)=9))
Level: hard
Question: Which Round has an Event of 200 miles of norisring?
Formula: SUMIFS(A1,C1,"200 miles of norisring")
Formula2: SUMIFS(A2:A10,C2:C10,"200 miles of norisring")
Level: easy
Question: Which Winning Driver has an Event of 200 miles of norisring?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="200 miles of norisring"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,C2:C10="200 miles of norisring"),5))
Level: medium