Table:
0
A
B
C
D
E
F
1
Rank
Airport Name
Location
IATA Code
Passengers
% Chg. 2009/10
2
1
John F. Kennedy International Airport
Queens, New York
JFK
22,702,882
0 5.8%
3
2
Miami International Airport
Miami, Florida
MIA
16,207,353
0 5.3%
4
3
Los Angeles International Airport
Los Angeles, California
LAX
15,505,566
0 4.7%
5
4
Newark Liberty International Airport
Newark, New Jersey
EWR
11,372,186
0 6.6%
6
5
O'Hare International Airport
Chicago, Illinois
ORD
10,426,287
0 2.5%
7
6
Hartsfield-Jackson Atlanta International Airport
Atlanta, Georgia
ATL
0 9,120,974
0 4.1%
8
7
San Francisco International Airport
San Mateo County, California
SFO
0 8,476,172
0 7.4%
9
8
George Bush Intercontinental Airport
Houston, Texas
IAH
0 8,279,513
0 9.5%
10
9
Washington Dulles International Airport
Dulles, Virginia
IAD
0 6,167,501
0 9.5%

Questions and formulas:
Question: If the passengers are 15,505,566, what is the iata code?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1=15505566),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,E2:E10=15505566),4))
Level: medium
Question: If the location is Chicago, Illinois, what is the airport name?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Chicago, Illinois"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,C2:C10="Chicago, Illinois"),2))
Level: medium
Question: If the amount of passengers is 15,505,566, what is the %/chg. for 2009/10?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1=15505566),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,E2:E10=15505566),6))
Level: medium