Table:
0
A
B
C
D
E
1
Date
Time ( GMT )
Serial
Apogee
Outcome
2
1957-06-11
19:37
4A
kilometres (mi)
Failure
3
1957-09-25
19:57
6A
kilometres (mi)
Failure
4
1957-12-17
17:39
12A
kilometres (mi)
Success
5
1958-01-10
15:48
10A
kilometres (mi)
Success
6
1958-02-07
19:37
13A
kilometres (mi)
Failure[ citation needed ]
7
1958-02-20
17:46
11A
kilometres (mi)
Failure
8
1958-04-05
17:01
15A
kilometres (mi)
Failure
9
1958-06-03
21:28
16A
kilometres (mi)
Success

Questions and formulas:
Question: What is the time (GMT) for the 4A Serial?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="4a"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="4a"),2))
Level: medium
Question: What is the time (GMT) for the 12A Serial?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="12a"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="12a"),2))
Level: medium