Table:
0
A
B
C
D
E
F
G
1
Rnd
Circuit
WSC Winning Team
GT1 Winning Team
GT2 Winning Team
GT3 Winning Team
Results
2
1
Sebring
#30 MOMO Doran Racing
#4 Panoz Motorsports
#66 Konrad Motorsport
#10 PTG
Results
3
1
Sebring
Didier Theys Mauro Baldi Gianpiero Moretti
Andy Wallace David Brabham
Franz Konrad Nick Ham
Bill Auberlen Boris Said
Results
4
2
Las Vegas
#7 Doyle- Risi Racing
#4 Panoz Motorsports
#6 PTG
#10 PTG
Results
5
2
Las Vegas
Wayne Taylor Eric van de Poele
Andy Wallace David Brabham
Andy Pilgrim Boris Said Marc Duez
Peter Cunningham Ross Bentley
Results
6
3
Lime Rock
#16 Dyson Racing
#4 Panoz Motorsports
#6 PTG
#1 PTG
Results
7
3
Lime Rock
Butch Leitzinger James Weaver
Andy Wallace David Brabham
Boris Said Marc Duez
Peter Cunningham Ross Bentley
Results
8
4
Road Atlanta
#16 Dyson Racing
#38 Champion Motors
#6 PTG
#10 PTG
Results
9
4
Road Atlanta
Butch Leitzinger James Weaver
Thierry Boutsen Bob Wollek
Boris Said Marc Duez
Bill Auberlen Mark Simo
Results
10
5
Mosport
#16 Dyson Racing
#4 Panoz Motorsports
#6 PTG
#10 PTG
Results
11
5
Mosport
Butch Leitzinger James Weaver
Andy Wallace David Brabham
Marc Duez Ross Bentley
Bill Auberlen Mark Simo
Results
12
6
Sebring
#16 Dyson Racing
#4 Panoz Motorsports
#99 Schumacher Racing
#22 Alex Job Racing
Results
13
6
Sebring
Butch Leitzinger James Weaver
Andy Wallace David Brabham
Larry Schumacher John O'Steen
Cort Wagner Kelly Collins
Results
14
7
Road Atlanta
#7 Doyle- Risi Racing
#38 Champion Motors
#81 Freisinger Motorsport
#76 Team A.R.E.
Results
15
7
Road Atlanta
Eric van de Poele Wayne Taylor Emmanuel Collard
Thierry Boutsen Bob Wollek Ralf Kelleners
Michel Ligonnet Lance Stewart
Peter Argetsinger Richard Polidori Angelo Cilli
Results
16
8
Laguna Seca
#2 BMW Motorsport
#4 Panoz Motorsports
#72 Konrad Motorsport
#23 Alex Job Racing
Results

Questions and formulas:
Question: Who was the GT2 winning team when the GT3 winning team was #1 PTG?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="#1 PTG"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G16,F2:F16="#1 PTG"),5))
Level: medium