Table:
0
A
B
C
D
E
1
Year
Entrant
Chassis
Engine
Points
2
1950
Bob Gerard
ERA B-type
ERA
0
3
1950
Bob Gerard
ERA A-type
ERA
0
4
1951
Bob Gerard
ERA B-type
ERA
0
5
1953
Bob Gerard
Cooper T23
Bristol
0
6
1954
Bob Gerard
Cooper T23
Bristol
0
7
1956
Bob Gerard
Cooper T23
Bristol
0
8
1957
Bob Gerard
Cooper T43
Bristol
0

Questions and formulas:
Question: What year has an ERA engine and an ERA A-type chassis?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="era")*(C1="era a-type")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(D2:D8="era")*(C2:C8="era a-type")),1))
Level: medium
Question: What is the earliest year that has a Bristol engine?
Formula: MINIFS(A1,D1,"bristol")
Formula2: MINIFS(A2:A8,D2:D8,"bristol")
Level: easy