Table:
0
A
B
C
D
E
F
G
H
1
Satellite
Launch date (UTC)
Decay
Mass(kg)
Diameter(m)
NSSDC ID
Nation
Usage
2
Echo 1
1960-08-12 09:36:00
1968-05-24
180
30.48
1960-009A
US
pcr, ado, spc, tri
3
Explorer 9
1961-02-16 13:12:00
1964-04-09
36
3.66
1961-004A
US
ado
4
Explorer 19 (AD-A)
1963-12-19 18:43:00
1981-10-05
7.7
3.66
1963-053A
US
ado
5
Echo 2
1964-01-25 13:55:00
1969-06-07
256
41
1964-004A
US
pcr, tri
6
Explorer 24 (AD-B)
1964-11-21 17:17:00
1968-10-18
8.6
3.6
1964-076A
US
ado
7
PAGEOS 1
1966-06-24 00:14:00
1975-07-12
56.7
30.48
1966-056A
US
tri
8
Explorer 39 (AD-C)
1968-08-08 20:12:00
1981-06-22
9.4
3.6
1968-066A
US
ado
9
Mylar Balloon
1971-08-07 00:11:00
1981-09-01
0.8
2.13
1971-067F
US
ado
10
Qi Qiu Weixing 1
1990-09-03 00:53:00
1991-03-11
4
3
1990-081B
PRC
ado
11
Qi Qiu Weixing 2
1990-09-03 00:53:00
1991-07-24
4
2.5
1990-081C
PRC
ado

Questions and formulas:
Question: What nation was Pageos 1 from?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,A1="PAGEOS 1"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H11,A2:A11="PAGEOS 1"),7))
Level: medium
Question: What was the launch date for the sattelite with ado that was 4 kg and 3 meters in diameter?
Formula: LET(query1,LET(query1,FILTER(A1:H1,H1="ado"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,4)),SUMX(CHOOSECOLS(query1,5)))),FILTER(query1,(CHOOSECOLS(query1,2)=4)*(CHOOSECOLS(query1,3)=3)))
Formula2: LET(query1,LET(query1,FILTER(A2:H11,H2:H11="ado"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,4)),SUMX(CHOOSECOLS(query1,5)))),FILTER(query1,(CHOOSECOLS(query1,2)=4)*(CHOOSECOLS(query1,3)=3)))
Level: hard
Question: What was the decay for the sattelite that was 180 kg?
Formula: LET(query1,SUMMARIZE(C1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=180))
Formula2: LET(query1,SUMMARIZE(C2:C11,SUMX(D2:D11)),FILTER(query1,CHOOSECOLS(query1,2)=180))
Level: hard
Question: What is the nssdc id for Echo 1?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,A1="Echo 1"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H11,A2:A11="Echo 1"),6))
Level: medium
Question: What is the launch date for the sattelite with a nssdc id of 1960-009a?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,F1="1960-009A"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H11,F2:F11="1960-009A"),2))
Level: medium
Question: What is the decay for the sattelite with an id that is 1990-081c?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,F1="1990-081C"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H11,F2:F11="1990-081C"),3))
Level: medium