Table:
0
A
B
C
D
E
1
Number
Artist
Album
1st week sales
1st week position
2
1
Lil Wayne
Tha Carter III
1,006,000
#1
3
2
T.I.
Paper Trail
568,000
#1
4
3
Kanye West
808s and Heartbreak
450,000
#1
5
4
Young Jeezy
The Recession
260,000
#1
6
5
The Game
L.A.X.
240,000
#2
7
6
Plies
Definition of Real
215,000
#2
8
7
Ludacris
Theater of the Mind
214,000
#5
9
8
Rick Ross
Trilla
198,000
#1
10
9
Nas
Untitled
187,000
#1
11
10
Snoop Dogg
Ego Trippin'
137,000
#5

Questions and formulas:
Question: Which album is #10?
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=10))
Formula2: LET(query1,SUMMARIZE(C2:C11,SUMX(A2:A11)),FILTER(query1,CHOOSECOLS(query1,2)=10))
Level: hard