Table:
0
A
B
C
D
E
F
1
Stage
Winner
General classification
Mountains classification
Points classification
Team Classification
2
P
Levi Leipheimer
Levi Leipheimer
no award
Levi Leipheimer
Astana
3
1
Alejandro Valverde
Thor Hushovd
Christian Kux
Alejandro Valverde
Astana
4
2
George Hincapie
Thor Hushovd
David de la Fuente
Thor Hushovd
Astana
5
3
Alejandro Valverde
Alejandro Valverde
Alejandro Valverde
Alejandro Valverde
Caisse d'Epargne
6
4
Cyril Dessel
Alejandro Valverde
David de la Fuente
Alejandro Valverde
Caisse d'Epargne
7
5
Iouri Trofimov
Alejandro Valverde
Juan José Cobo
Alejandro Valverde
Silence-Lotto
8
6
Chris Anker Sørensen
Alejandro Valverde
Pierre Rolland
Alejandro Valverde
Euskaltel-Euskadi
9
7
Dmitry Fofonov
Alejandro Valverde
Pierre Rolland
Alejandro Valverde
Euskaltel-Euskadi
10
Final
Final
Alejandro Valverde
Pierre Rolland
Alejandro Valverde
Euskaltel-Euskadi

Questions and formulas:
Question: What winner has silence-lotto as the team classification?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="silence-lotto"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,F2:F10="silence-lotto"),2))
Level: medium
Question: What general classification has david de la fuente as mountains classification, and thor hushovd as points classification?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(D1="david de la fuente")*(E1="thor hushovd")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,(D2:D10="david de la fuente")*(E2:E10="thor hushovd")),3))
Level: medium
Question: What general classification has levi leipheimer as points classification?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="levi leipheimer"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,E2:E10="levi leipheimer"),3))
Level: medium
Question: What team classification has alejandro valverde as points classification, with alejandro valverde as the winner, with 3 as the stage?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="alejandro valverde")*(B1="alejandro valverde")*(A1=3)),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,(E2:E10="alejandro valverde")*(B2:B10="alejandro valverde")*(A2:A10=3)),6))
Level: medium
Question: What winner has pierre rolland as mountains classification, with 7 as the stage?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(D1="pierre rolland")*(A1=7)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,(D2:D10="pierre rolland")*(A2:A10=7)),2))
Level: medium
Question: What general classification has 4 as the stage?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1=4),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,A2:A10=4),3))
Level: medium