Table:
0
A
B
C
D
E
1
Tournament
Country
Location
Began
Court surface
2
Indian Wells Masters
United States
Indian Wells
1974
Hard
3
Miami Masters
United States
Key Biscayne
1985
Hard
4
Monte Carlo Masters
Monaco
Roquebrune-Cap-Martin , France
1897
Clay
5
Rome Masters
Italy
Rome
1930
Clay
6
Hamburg Masters
Germany
Hamburg
1892
Clay
7
Canada Masters
Canada
Montreal / Toronto
1881
Hard
8
Cincinnati Masters
United States
Mason, Ohio
1899
Hard
9
Essen Masters
Germany
Essen
1990
Carpet (i)
10
Paris Masters
France
Paris
1968
Carpet (i)

Questions and formulas:
Question: what is the tournament when the court surface is clay and began in 1892?
Formula: LET(query1,LET(query1,FILTER(A1:E1,E1="clay"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)=1892))
Formula2: LET(query1,LET(query1,FILTER(A2:E10,E2:E10="clay"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)=1892))
Level: hard
Question: what is the location when began is before 1990 and the country is france?
Formula: LET(query1,LET(query1,FILTER(A1:E1,B1="france"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)<1990))
Formula2: LET(query1,LET(query1,FILTER(A2:E10,B2:B10="france"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)<1990))
Level: hard
Question: what is the court surface when the tournament is paris masters?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="paris masters"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,A2:A10="paris masters"),5))
Level: medium
Question: what is the tournament when the country is united states?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="united states"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,B2:B10="united states"),1))
Level: medium
Question: what is the earliest began when the court surface is clay in hamburg?
Formula: MIN(FILTER(D1, (E1="clay")*(C1="hamburg")))
Formula2: MIN(FILTER(D2:D10, (E2:E10="clay")*(C2:C10="hamburg")))
Level: easy