Table:
0
A
B
C
D
E
1
Latitude
Longitude
City
State
Country
2
79°59′N
85°56′W
Eureka
Nunavut
Canada
3
78°55′N
11°56′E
Ny-Ålesund
Svalbard
Norway
4
78°13′N
15°39′E
Longyearbyen
Svalbard
Norway
5
77°28′N
69°14′W
Qaanaaq
Greenland
Denmark
6
76°25′N
82°54′W
Grise Fiord
Nunavut
Canada
7
73°30'N
80°31'E
Dikson
Krasnoyarsk Krai
Russia
8
72°47'N
56°09'W
Upernavik
Greenland
Denmark
9
71°39'N
128°52'E
Tiksi
Sakha Republic
Russia
10
71°18′N
156°46′W
Barrow
Alaska
United States
11
70°59'N
25°59'E
Honningsvåg
Finnmark
Norway
12
70°40′N
23°41′E
Hammerfest
Finnmark
Norway
13
70°12′N
148°31′W
Deadhorse
Alaska
United States
14
70°05′N
27°53′E
Nuorgam
Lapland
Finland
15
70°05′N
29°44′E
Vadsø
Finnmark
Norway

Questions and formulas:
Question: What city in Svalbard has a longitude of 15°39′e?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="svalbard")*(B1="15°39′e")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E15,(D2:D15="svalbard")*(B2:B15="15°39′e")),3))
Level: medium
Question: If the latitude is 77°28′n, what is the longitude?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="77°28′n"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E15,A2:A15="77°28′n"),2))
Level: medium
Question: If the latitude is 76°25′n, what is the longitude?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="76°25′n"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E15,A2:A15="76°25′n"),2))
Level: medium
Question: If the latitude is 71°18′n, what is the longitude?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="71°18′n"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E15,A2:A15="71°18′n"),2))
Level: medium