Table:
0
A
B
C
D
E
F
1
Explosion
Location
Date
Yield (approximate)
Altitude (km)
Nation of Origin
2
Hardtack Teak
Johnston Island ( Pacific )
1958-08-01
3.8 megatons
76.8
United States
3
Hardtack Orange
Johnston Island ( Pacific )
1958-08-12
3.8 megatons
43
United States
4
Argus I
South Atlantic
1958-08-27
1-2 kilotons
200
United States
5
Argus II
South Atlantic
1958-08-30
1-2 kilotons
256
United States
6
Argus III
South Atlantic
1958-09-06
1-2 kilotons
539
United States
7
Starfish Prime
Johnston Island ( Pacific )
1962-07-09
1.4 megatons
400
United States
8
K-3
Kazakhstan
1962-10-22
300 s kiloton
290
USSR
9
K-4
Kazakhstan
1962-10-28
300 s kiloton
150
USSR

Questions and formulas:
Question: What was the altitude of the explosion Hardtack Teak?
Formula: SUMIFS(E1,A1,"Hardtack Teak")
Formula2: SUMIFS(E2:E9,A2:A9,"Hardtack Teak")
Level: easy
Question: What was the altitude of the event on 1962-07-09?
Formula: SUMIFS(E1,C1,"1962-07-09")
Formula2: SUMIFS(E2:E9,C2:C9,"1962-07-09")
Level: easy
Question: What was the altitude of the yield of 1.4 megatons?
Formula: SUMIFS(E1,D1,"1.4 megatons")
Formula2: SUMIFS(E2:E9,D2:D9,"1.4 megatons")
Level: easy
Question: What was the yield of the K-4 explosion?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="K-4"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,A2:A9="K-4"),4))
Level: medium
Question: What explosion had an altitude of 539 km?
Formula: LET(query1,SUMMARIZE(A1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=539))
Formula2: LET(query1,SUMMARIZE(A2:A9,SUMX(E2:E9)),FILTER(query1,CHOOSECOLS(query1,2)=539))
Level: hard