Table:
0
A
B
C
D
E
1
City
Country
IATA
ICAO
Airport
2
Anuradhapura
Sri Lanka
ACJ
VCCA
Anuradhapura Airport
3
Colombo
Sri Lanka
CMB
VCBI
Bandaranaike International Airport [H]
4
Colombo
Sri Lanka
RML
VCCC
Ratmalana Airport [H]
5
Jaffna
Sri Lanka
TBA
TBA
Jaffna Airport
6
Kalutara
Sri Lanka
TBA
VCCN
Katukurunda Airport
7
Koggala
Sri Lanka
TBA
TBA
Koggala Airport
8
Minneriya
Sri Lanka
TBA
MNH
Minneriya Air Base
9
Sigiriya
Sri Lanka
TBA
TBA
Sigiriya Airport
10
Trincomalee
Sri Lanka
VCCT
TRR
China Bay Airport

Questions and formulas:
Question: What city is Jaffna Airport in?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="jaffna airport"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,E2:E10="jaffna airport"),1))
Level: medium
Question: Which city has an ICAO of TBA?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="tba"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,D2:D10="tba"),1))
Level: medium