Table:
0
A
B
C
D
E
F
1
Name
Latitude
Longitude
Diameter (km)
Year named
Name origin
2
Aegina Farrum
35.5N
20.9E
60.0
1994
Greek river nymph.
3
Anqet Farra
33.6N
311.5E
125.0
1994
Egyptian goddess of fertile waters.
4
Carmenta Farra
12.4N
8.0E
180.0
1994
Roman goddess of springs.
5
Egeria Farrum
43.6N
7.5E
40.0
1994
Roman water nymph.
6
Flosshilde Farra
10.5N
279.4E
75.0
1994
German water nymph.
7
Liban Farra
23.9S
353.5E
100.0
1994
Irish water goddess.
8
Oshun Farra
4.2N
19.3E
80.0
1994
Yoruba (Nigeria) fresh water goddess.

Questions and formulas:
Question: What is the diameter of the feature with longitude 8.0e?
Formula: SUMIFS(D1,C1,"8.0E")
Formula2: SUMIFS(D2:D8,C2:C8,"8.0E")
Level: easy
Question: What feature is at latitude 23.9S?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="23.9S"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,B2:B8="23.9S"),1))
Level: medium
Question: When was  the most recently named feature named?
Formula: MAX(E1)
Formula2: MAX(E2:E8)
Level: easy