Table:
0
A
B
C
D
E
1
Year
Entrant
Chassis
Engine
Points
2
1970
Frank Williams Racing Cars
De Tomaso 505
Cosworth V8
0
3
1971
Motor Racing Developments
Brabham BT33
Cosworth V8
5
4
1972
Brooke Bond Oxo Team Surtees
Surtees TS9B
Cosworth V8
2
5
1972
Flame Out-Team Surtees
Surtees TS9B
Cosworth V8
2
6
1972
Team Surtees
Surtees TS9B
Cosworth V8
2
7
1972
Team Surtees
Surtees TS14
Cosworth V8
2
8
1973
Frank Williams Racing Cars
Iso-Marlboro IR
Cosworth V8
0
9
1974
Trojan-Tauranac Racing
Trojan T103
Cosworth V8
0
10
1974
John Player Team Lotus
Lotus 76
Cosworth V8
0

Questions and formulas:
Question: Which entrant scored less than 2 points?
Formula: LET(query1,SUMMARIZE(B1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)<2))
Formula2: LET(query1,SUMMARIZE(B2:B10,SUMX(E2:E10)),FILTER(query1,CHOOSECOLS(query1,2)<2))
Level: hard
Question: Which entrant used the chassis de tomaso 505?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="de tomaso 505"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,C2:C10="de tomaso 505"),2))
Level: medium