Table:
0
A
B
C
D
E
F
G
H
1
Round
Date
Grand Prix
Circuit
MotoGP winner
Moto2 winner
125cc winner
Report
2
2
3 April
bwin Spanish Grand Prix
Jerez
Jorge Lorenzo
Andrea Iannone
Nicolás Terol
Report
3
3
1 May
bwin Portuguese Grand Prix
Estoril
Dani Pedrosa
Stefan Bradl
Nicolás Terol
Report
4
4
15 May
Monster Energy French Grand Prix
Le Mans
Casey Stoner
Marc Márquez
Maverick Viñales
Report
5
5
5 June
Aperol Catalan Grand Prix
Catalunya
Casey Stoner
Stefan Bradl
Nicolás Terol
Report
6
6
12 June
AirAsia British Grand Prix
Silverstone
Casey Stoner
Stefan Bradl
Jonas Folger
Report
7
8
3 July
Telecom Italia Mobile Italian Grand Prix
Mugello
Jorge Lorenzo
Marc Márquez
Nicolás Terol
Report
8
9
17 July
Eni German Grand Prix
Sachsenring
Dani Pedrosa
Marc Márquez
Héctor Faubel
Report
9
10
24 July
Red Bull United States Grand Prix
Laguna Seca
Casey Stoner
No 125cc and Moto2 race
No 125cc and Moto2 race
Report
10
11
14 August
Cardion ab Czech Republic Grand Prix
Brno
Casey Stoner
Andrea Iannone
Sandro Cortese
Report
11
12
28 August
Red Bull Indianapolis Grand Prix
Indianapolis
Casey Stoner
Marc Márquez
Nicolás Terol
Report
12
13
4 September
Aperol San Marino Grand Prix
Misano
Jorge Lorenzo
Marc Márquez
Nicolás Terol
Report
13
14
18 September
Aragon Grand Prix
Motorland Aragón
Casey Stoner
Marc Márquez
Nicolás Terol
Report
14
15
2 October
Japanese Grand Prix
Motegi
Dani Pedrosa
Andrea Iannone
Johann Zarco
Report
15
16
16 October
Iveco Australian Grand Prix
Phillip Island
Casey Stoner
Alex de Angelis
Sandro Cortese
Report
16
17
23 October
Shell Advance Malaysian Grand Prix
Sepang
Race cancelled
Thomas Lüthi
Maverick Viñales
Report

Questions and formulas:
Question: How many MotoGP winners were there when the circuit was Catalunya?
Formula: ROWS(UNIQUE(FILTER(E1, D1="Catalunya")))
Formula2: ROWS(UNIQUE(FILTER(E2:E16, D2:D16="Catalunya")))
Level: medium
Question: Who are all the Moto2 winners when the grand prix was Shell Advance Malaysian Grand Prix?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,C1="Shell Advance Malaysian Grand Prix"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H16,C2:C16="Shell Advance Malaysian Grand Prix"),6))
Level: medium
Question: Who are all the motogp winners when the circuit was Catalunya?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,D1="Catalunya"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H16,D2:D16="Catalunya"),5))
Level: medium