Table:
0
A
B
C
D
E
1
Version
Length
Album
Remixed by
Year
2
Album version
4:45
Les Mots
—
2001
3
Single version
4:47
—
—
2001
4
Promotional version
4:40
—
—
2001
5
Strings for soul's mix
4:44
—
Laurent Boutonnat
2001
6
Music video
4:45
Music Videos IV
—
2001
7
Live version (recorded in 2006)
5:06
Avant que l'ombre... à Bercy
—
2006

Questions and formulas:
Question: What's the Remixed by with a Version of Strings for Soul's Mix?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="strings for soul's mix"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="strings for soul's mix"),4))
Level: medium
Question: What the highest Year with a Remixed by Laurent Boutonnat?
Formula: MAXIFS(E1,D1,"laurent boutonnat")
Formula2: MAXIFS(E2:E7,D2:D7,"laurent boutonnat")
Level: easy
Question: What's the total Year with a Length of 4:45 an has an Album of Les Mots?
Formula: SUM(FILTER(E1, (B1="4:45")*(C1="les mots")))
Formula2: SUM(FILTER(E2:E7, (B2:B7="4:45")*(C2:C7="les mots")))
Level: easy
Question: What's the Length with the Version of Album Version?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="album version"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="album version"),2))
Level: medium
Question: What Album has a Year that's larger than 2001?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1>2001),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,E2:E7>2001),3))
Level: medium