Table:
0
A
B
C
D
E
1
course id
course name
course description
other details
2
1
ds
p
3
2
math
q
4
3
os
v
5
4
en
k
6
5
fr
c
7
6
la
n
8
7
cal
l
9
8
nlp
q
10
9
dl
l
11
10
ml
b
12
11
ai
w
13
12
db
q
14
13
rs
v
15
14
pl
p
16
15
oop
d

Questions and formulas:
Question: the id and description of math course
Formula: LET(query1,FILTER(A1:E1,B1="math"),UNIQUE(CHOOSECOLS(query1,3,1)))
Formula2: LET(query1,FILTER(A2:E16,B2:B16="math"),UNIQUE(CHOOSECOLS(query1,3,1)))
Level: hard