Table:
0
A
B
C
D
E
1
Year
Entrant
Chassis
Engine
Pts.
2
1952
G. Caprara
Ferrari 500
Ferrari I4
0
3
1953
Connaught Engineering
Connaught Type A
Lea-Francis I4
0
4
1954
Gilby Engineering Ltd.
Maserati 250F
Maserati I6
0
5
1955
Gilby Engineering Ltd.
Maserati 250F
Maserati I6
0
6
1956
Gilby Engineering Ltd.
Maserati 250F
Maserati I6
0
7
1957
Owen Racing Organisation
BRM P25
BRM I4
2
8
1957
Vandervell Products Ltd.
Vanwall
Vanwall I4
2
9
1957
Cooper Car Company
Cooper T43
Climax I4
2
10
1958
Cooper Car Company
Cooper T45
Climax I4
15
11
1959
High Efficiency Motors
Cooper T45
Climax I4
0
12
1959
David Brown Corporation
Aston Martin DBR4/250
Aston Martin I6
0
13
1960
High Efficiency Motors
Cooper T51
Climax I4
0
14
1960
David Brown Corporation
Aston Martin DBR4/250
Aston Martin I6
0
15
1960
David Brown Corporation
Aston Martin DBR5/250
Aston Martin I6
0
16
1961
Yeoman Credit Racing Team
Cooper T53
Climax I4
2
17
1962
Bowmaker-Yeoman Racing Team
Lola Mk4
Climax V8
0

Questions and formulas:
Question: Who is the entrant with a cooper t43 chassis before 1958?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1<1958)*(C1="cooper t43")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,(A2:A17<1958)*(C2:C17="cooper t43")),2))
Level: medium