Table:
0
A
B
C
D
E
F
1
Date (YYYY-MM-DD)
Time (UTC)
Latitude
Longitude
Depth
Magnitude
2
1997-09-26
0:33:12
43.048° N
12.879° E
km (mi)
5.7 (M w )
3
1997-09-26
11:40:26
43.084° N
12.812° E
km (mi)
6.1 (M w )
4
1997-09-26
9:47:38
43.163° N
12.752° E
km (mi)
4.7 (M L )
5
1997-10-03
8:55:21
43.075° N
12.794° E
km (mi)
5.3 (M w )
6
1997-10-06
23:24:52
43.045° N
12.835° E
km (mi)
5.5 (M w )
7
1997-10-12
11:08:36
42.901° N
12.897° E
km (mi)
5.3 (M L )
8
1997-10-14
15:23:10
42.962° N
12.892° E
km (mi)
5.6 (M L )
9
1997-11-09
19:07:33
42.903° N
12.948° E
km (mi)
5.0 (M L )
10
1998-03-26
16:26:11
43.255° N
12.969° E
km (mi)
5.4 (M w )
11
1998-04-03
7:26:36
43.164° N
12.701° E
km (mi)
5.2 (M w )

Questions and formulas:
Question: When 43.048° n is the latitude what is the magnitude?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="43.048° N"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F11,C2:C11="43.048° N"),6))
Level: medium
Question: When 9:47:38 is the time (utc) how many measurements of latitude are there?
Formula: ROWS(UNIQUE(FILTER(C1, B1="9:47:38")))
Formula2: ROWS(UNIQUE(FILTER(C2:C11, B2:B11="9:47:38")))
Level: medium
Question: When 42.903° n is the latitude how many measurements of longitude are there?
Formula: ROWS(UNIQUE(FILTER(D1, C1="42.903° N")))
Formula2: ROWS(UNIQUE(FILTER(D2:D11, C2:C11="42.903° N")))
Level: medium
Question: When 11:40:26 is the time (utc) what is the depth?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="11:40:26"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F11,B2:B11="11:40:26"),5))
Level: medium