Table:
0
A
B
C
D
E
1
City
Country
IATA
ICAO
Airport
2
Adana
Turkey
ADA
LTAF
Adana Şakirpaşa Airport
3
Antalya
Turkey
AYT
LTAI
Antalya Airport
4
Bodrum
Turkey
BJV
LTFE
Milas-Bodrum Airport
5
Dalaman
Turkey
DLM
LTBS
Dalaman Airport
6
Erbil
Iraq
EBL
ORER
Erbil International Airport
7
Gaziantep
Turkey
GZT
LTAJ
Oğuzeli Airport
8
Istanbul
Turkey
IST
LTBA
Atatürk International Airport (base)
9
Istanbul
Turkey
SAW
LTFJ
Sabiha Gökçen International Airport
10
İzmir
Turkey
ADB
LTBJ
Adnan Menderes Airport
11
Kars
Turkey
KSY
LTCF
Kars Airport
12
Kayseri
Turkey
ASR
LTAU
Erkilet International Airport
13
North Nicosia
Northern Cyprus
ECN
LCEN
Ercan International Airport
14
Simferopol
Ukraine
SIP
UKFF
Simferopol International Airport
15
Sulaymaniah
Iraq
ISU
ORSU
Sulaimaniyah International Airport
16
Tehran
Iran
IKA
OIIE
Imam Khomeini International Airport
17
Tbilisi
Georgia
TBS
UGTB
Tbilisi International Airport
18
Van
Turkey
VAN
LTCI
Van Ferit Melen Airport
19
Yerevan
Armenia
EVN
UDYZ
Zvartnots International Airport

Questions and formulas:
Question: What is the ICAO for simferopol international airport?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="simferopol international airport"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,E2:E19="simferopol international airport"),4))
Level: medium
Question: Which country has an IATA of gzt?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="gzt"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,C2:C19="gzt"),2))
Level: medium
Question: What country is Yerevan located in?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="yerevan"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,A2:A19="yerevan"),2))
Level: medium
Question: What is the ICAO when the IATA is ika?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="ika"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,C2:C19="ika"),4))
Level: medium
Question: What is the ICAO when the IATA is ist?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="ist"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,C2:C19="ist"),4))
Level: medium