Table:
0
A
B
C
D
E
F
1
Week #
Theme
Song choice
Original artist
Order #
Result
2
Audition
N/A
" Big Girls Don't Cry "
Fergie
N/A
Advanced
3
Hollywood
First Solo
" The Trouble with Love Is "
Kelly Clarkson
N/A
Advanced
4
Hollywood
Group Performance
" Mercy "
Duffy
N/A
Advanced
5
Hollywood
Second Solo
" Tattoo "
Jordin Sparks
N/A
Advanced
6
Top 36/Semi-Final 2
Billboard Hot 100 Hits to Date
" Love Song "
Sara Bareilles
1
Eliminated 1
7
Wild Card
N/A
" Reflection "
Christina Aguilera
5
Selected

Questions and formulas:
Question: What week #(s featured sara bareilles as the original artist?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="Sara Bareilles"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="Sara Bareilles"),1))
Level: medium
Question: What week # featured first solo as the theme?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="First Solo"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="First Solo"),1))
Level: medium
Question: How many weeks featured duffy as the original artist?
Formula: ROWS(UNIQUE(FILTER(B1, D1="Duffy")))
Formula2: ROWS(UNIQUE(FILTER(B2:B7, D2:D7="Duffy")))
Level: medium
Question: Who was the originally artist when Jasmine Murray was selected?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Selected"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,F2:F7="Selected"),4))
Level: medium