Table:
0
A
B
C
D
1
document id
draft number
draft details
document drafts
2
1
0
e
3
1
2
k
4
2
1
v
5
2
8
v
6
4
9
r
7
7
10
m
8
10
20
k
9
12
11
b
10
12
12
r
11
13
4
w
12
13
16
p
13
14
14
x
14
17
19
a
15
20
17
l
16
23
9
r

Questions and formulas:
Question: seventh document's draft ddetails
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:D1,A1=7),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:D16,A2:A16=7),3))
Level: medium
Question: the draft details of No.7 document
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:D1,A1=7),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:D16,A2:A16=7),3))
Level: medium