Table:
0
A
B
C
D
E
F
1
Year
Team
Co-Drivers
Class
Pos.
Class Pos.
2
1984
Martini Racing
Paolo Barilla Hans Heyer
C1
DNF
DNF
3
1985
Martini Lancia
Henri Pescarolo
C1
7th
7th
4
1986
Liqui Moly Equipe
Price Cobb Rob Dyson
C1
9th
7th
5
1988
Team Sauber Mercedes
James Weaver Jochen Mass
C1
DNS
DNS
6
1989
Team Sauber Mercedes
Kenny Acheson Gianfranco Brancatelli
C1
2nd
2nd
7
1991
Peugeot Talbot Sport
Philippe Alliot Jean-Pierre Jabouille
C1
DNF
DNF
8
1992
Peugeot Talbot Sport
Philippe Alliot Jean-Pierre Jabouille
C1
3rd
3rd
9
1993
Peugeot Talbot Sport
Philippe Alliot Jean-Pierre Jabouille
C1
3rd
3rd
10
1994
Le Mans Porsche Team Joest Racing
Yannick Dalmas Hurley Haywood
GT1
1st
1st
11
1997
Konrad Motorsport
Franz Konrad Robert Nearn
GT1
DNF
DNF
12
1998
Moretti Racing
Gianpiero Moretti Didier Theys
LMP1
14th
3rd
13
1999
JB Racing
Jérôme Policand Christian Pescatori
LMP
DNF
DNF
14
2000
Team Den Blå Avis
John Nielsen Klaus Graf
LMP900
NC
NC

Questions and formulas:
Question: Who was the co-driver in the DNF position in the GT1 class?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="dnf")*(D1="gt1")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,(E2:E14="dnf")*(D2:D14="gt1")),3))
Level: medium
Question: Which co-driver was part of team Martini Lancia earlier than 1986?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(A1<1986)*(B1="martini lancia")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,(A2:A14<1986)*(B2:B14="martini lancia")),3))
Level: medium
Question: The Le Mans Porsche team Joest Racing is in which class?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="le mans porsche team joest racing"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,B2:B14="le mans porsche team joest racing"),4))
Level: medium