Table:
0
A
B
C
D
E
1
Year
Artist
Album
Label
Credit
2
2001
Newsong
The Christmas Shoes
Reunion
Guitar
3
2002
Plus One
Obvious
Reunion
Guitar
4
2002
Joy Williams
By Surprise
Reunion
Guitar, Bass, Bouzouki
5
2002
Plus One
Christmas
Reunion
Guitar
6
2003
Natalie Grant
Deeper Life
Curb
Guitar, Mandolin, Clappers
7
2003
Avalon
Testify to Love
Sparrow
Guitar
8
2003
Casting Crowns
Casting Crowns
Beach Street
Guitar
9
2005
Casting Crowns
Lifesong
Reunion
Guitar
10
2006
Ana Laura
Ana Laura
Reunion
Guitar, Piano, Keyboards, Vocals
11
2006
Red
End of Silence
Essential
Piano

Questions and formulas:
Question: What album had the reunion label in 2006?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="reunion")*(A1=2006)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,(D2:D11="reunion")*(A2:A11=2006)),3))
Level: medium
Question: Who was the artist for the album, Christmas under the reunion label with the guitar?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="reunion")*(E1="guitar")*(C1="christmas")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,(D2:D11="reunion")*(E2:E11="guitar")*(C2:C11="christmas")),2))
Level: medium
Question: What is the most recent year for an album listed with a piano credited?
Formula: MAXIFS(A1,E1,"piano")
Formula2: MAXIFS(A2:A11,E2:E11,"piano")
Level: easy