Table:
0
A
B
C
D
E
1
Year
Athlete
Country/State
Time
Location
2
2007
Henning, Rasmus Rasmus Henning
Denmark
1:50:04
Des Moines
3
2008
Henning, Rasmus Rasmus Henning (2)
Denmark
1:54:21
West Des Moines
4
2009
Whitfield, Simon Simon Whitfield
Canada
1:49:43
West Des Moines
5
2010
Don, Tim Tim Don
United Kingdom
1:50:20
West Des Moines
6
2011
Bennett, Greg Greg Bennett
Australia
1:47:37
Des Moines
7
2012
Gómez, Javier Javier Gómez
Spain
1:51:21
Des Moines
8
2013
Gómez, Javier Javier Gómez (2)
Spain
1:45:57
Des Moines

Questions and formulas:
Question: At what location was the time 1:54:21?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="1:54:21"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8="1:54:21"),5))
Level: medium
Question: Which Athlete is from the United Kingdom?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="united kingdom"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,C2:C8="united kingdom"),2))
Level: medium
Question: Which country had des moines as the location in 2011?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="des moines")*(A1=2011)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(E2:E8="des moines")*(A2:A8=2011)),3))
Level: medium
Question: What was the time for 2009?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1=2009),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8=2009),4))
Level: medium