Table:
0
A
B
C
D
E
1
Driver
Entrant
Chassis
Engine
Tyres
2
Keke Rosberg
TAG Williams Team
Williams FW08C
Ford Cosworth DFV 3.0 V8
G
3
Danny Sullivan
Benetton Tyrrell Team
Tyrrell 011
Ford Cosworth DFV 3.0 V8
G
4
Hector Rebaque
Fila Sport
Brabham BT52
BMW M12/13 1.5 S4 ( t/c )
M
5
John Watson
Marlboro McLaren International
McLaren MP4/1C
Ford Cosworth DFV 3.0 V8
M
6
Nigel Mansell
John Player Team Lotus
Lotus 93T
Renault EF1 1.5 V6 ( t/c )
P
7
Jean-Louis Schlesser
RAM Automotive Team March
March-RAM 01
Ford Cosworth DFV 3.0 V8
P
8
Raul Boesel
Equipe Ligier Gitanes
Ligier JS21
Ford Cosworth DFV 3.0 V8
M
9
René Arnoux
Scuderia Ferrari SpA SEFAC
Ferrari 126C2B
Ferrari 126C Tipo 021/3 1.5 V6 ( t/c )
G
10
Chico Serra
Arrows Racing Team
Arrows A6
Ford Cosworth DFV 3.0 V8
G
11
Alan Jones
Arrows Racing Team
Arrows A6
Ford Cosworth DFV 3.0 V8
G
12
Roberto Guerrero
Theodore
Theodore N183
Ford Cosworth DFV 3.0 V8
G
13
Brian Henton
Theodore
Theodore N183
Ford Cosworth DFV 3.0 V8
G
14
Stefan Johansson
Spirit Racing
Spirit 201C
Honda RA163-E 1.5 V6 ( t/c )
G

Questions and formulas:
Question: What engine was in the Theodore n183?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="theodore n183"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,C2:C14="theodore n183"),4))
Level: medium