Table:
0
A
B
C
D
E
1
Year
Entrant
Chassis
Engine
Points
2
1963
Ecurie Maarsbergen
Porsche 718
Porsche Flat-4
3
3
1964
Team Lotus
Lotus 25
Climax V8
0
4
1965
Team Lotus
Lotus 25
Climax V8
0
5
1966
Ron Harris / Team Lotus
Lotus 44 F2
Cosworth Straight-4
0
6
1967
Gerhard Mitter
Brabham BT23 F2
Cosworth Straight-4
0
7
1969
BMW
BMW 269 F2
BMW Straight-4
0

Questions and formulas:
Question: What is the average Year when there was a cosworth straight-4 engine, and the Entrant was ron harris / team lotus?
Formula: AVERAGE(FILTER(A1, (D1="cosworth straight-4")*(B1="ron harris / team lotus")))
Formula2: AVERAGE(FILTER(A2:A7, (D2:D7="cosworth straight-4")*(B2:B7="ron harris / team lotus")))
Level: easy
Question: What is the name of the Entrant that has a Chassis of lotus 25
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="lotus 25"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="lotus 25"),2))
Level: medium
Question: What was the engine when the chassis was a porsche 718??
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="porsche 718"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="porsche 718"),4))
Level: medium
Question: What is the number of points when there was a BMW 269 F2 chassis earlier than 1969?
Formula: SUM(FILTER(E1, (C1="bmw 269 f2")*(A1<1969)))
Formula2: SUM(FILTER(E2:E7, (C2:C7="bmw 269 f2")*(A2:A7<1969)))
Level: easy
Question: What engine was in the lotus 44 f2 Chassis?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="lotus 44 f2"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="lotus 44 f2"),4))
Level: medium
Question: What year was there a lotus 25 Chassis?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="lotus 25"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="lotus 25"),1))
Level: medium