Table:
0
A
B
C
D
E
1
Date
Rocket
Type
Launch site
Satellite
2
2013-10-23
Delta IV
M+(4,2)
CCAFS SLC-37B
GPS IIF-5
3
2014-05
Delta IV
M+(4,2)
CCAFS SLC-37B
GPS IIF-6
4
2014
Atlas V
401
CCAFS SLC-41
GPS IIF-7
5
2016
Atlas V
401
CCAFS SLC-41
GPS IIF-8
6
Unknown
Delta IV
M+(4,2)
CCAFS SLC-37B
GPS IIF-9
7
Unknown
Delta IV
M+(4,2)
CCAFS SLC-37B
GPS IIF-10
8
Unknown
TBD
TBD
CCAFS
GPS IIF-11
9
Unknown
TBD
TBD
CCAFS
GPS IIF-12

Questions and formulas:
Question: What is the launch site of the delta iv rocket?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="delta iv"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,B2:B9="delta iv"),4))
Level: medium
Question: What is the type of the gps iif-10 satellite with an unknown date?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1="unknown")*(E1="gps iif-10")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(A2:A9="unknown")*(E2:E9="gps iif-10")),3))
Level: medium
Question: What is the type of the gps iif-10 satellite?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="gps iif-10"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="gps iif-10"),3))
Level: medium
Question: What is the launch site of the delta iv rocket with an unknown date and a gps iif-10 satellite?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1="unknown")*(B1="delta iv")*(E1="gps iif-10")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(A2:A9="unknown")*(B2:B9="delta iv")*(E2:E9="gps iif-10")),4))
Level: medium
Question: What is the date of the gps iif-7 satellite?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="gps iif-7"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="gps iif-7"),1))
Level: medium