Table:
0
A
B
C
D
E
1
From
Until
Name
Party
Function
2
June 13, 2007
July 4, 2007
Didier Reynders
MR
informateur
3
July 5, 2007
July 15, 2007
Jean-Luc Dehaene
CD&V
mediator
4
July 15, 2007
August 23, 2007
Yves Leterme
CD&V
formateur
5
August 29, 2007
September 29, 2007
Herman Van Rompuy
CD&V
explorator
6
September 29, 2007
December 1, 2007
Yves Leterme
CD&V
formateur
7
December 4, 2007
December 17, 2007
Guy Verhofstadt
VLD
informateur
8
December 17, 2007
December 23, 2007
Guy Verhofstadt
VLD
formateur

Questions and formulas:
Question: Which party is associated with a leader who began his tenure on June 13, 2007?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="june 13, 2007"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="june 13, 2007"),4))
Level: medium
Question: What is the beginning date associated with an ending date of July 4, 2007?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="july 4, 2007"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,B2:B8="july 4, 2007"),1))
Level: medium
Question: Who had a function of explorator?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="explorator"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="explorator"),3))
Level: medium
Question: What is the Until date associated with a beginning From date of July 5, 2007?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="july 5, 2007"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="july 5, 2007"),2))
Level: medium
Question: What is the Until date that has a party of VLD and a beginning from date of December 17, 2007?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="vld")*(A1="december 17, 2007")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(D2:D8="vld")*(A2:A8="december 17, 2007")),2))
Level: medium