Table:
0
A
B
C
D
E
F
1
Date
Cover model
Centerfold model
Interview subject
20 Questions
Pictorials
2
1-05
Jenny McCarthy
Destiny Davis
Toby Keith
James Caan
Jenny McCarthy
3
2-05
Teri Polo
Amber Campisi
Nicole Kidman
Jolene Blalock
Teri Polo, Girls of Fear Factor
4
3-05
Paris Hilton
Jillian Grace
The Rock
Kid Rock
Deborah Gibson
5
4-05
Christy Hemme
Courtney Rachel Culkin
Les Moonves
Mena Suvari
Christy Hemme, Girls of Brazil
6
6-05
Bai Ling
Kara Monaco
Lance Armstrong
Paul Giamatti
Playmate of the Year Tiffany Fallon , Bai Ling
7
7-05
Joanna Krupa
Qiana Chase
Owen Wilson
Scarlett Johansson
Joanna Krupa, Karina Lombard
8
8-05
Diora Baird
Tamara Witmer
Ewan McGregor
Kate Hudson
Diora Baird, Cirque du Soleil 's Zumanity
9
9-05
Jessica Canseco
Vanessa Hoelsher
Thomas L. Friedman
Kurt Busch
Jessica Canseco, Blondes of Sweden

Questions and formulas:
Question: How many times was Jillian Grace the centerfold model?
Formula: ROWS(UNIQUE(FILTER(A1, C1="Jillian Grace")))
Formula2: ROWS(UNIQUE(FILTER(A2:A9, C2:C9="Jillian Grace")))
Level: medium
Question: What were the interview subjects on those occasions where Bai Ling was the cover model?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Bai Ling"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,B2:B9="Bai Ling"),4))
Level: medium
Question: How many total interview subjects wererthere when the centerfold model was Tamara Witmer?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Tamara Witmer"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,C2:C9="Tamara Witmer"),4))
Level: medium
Question: What's the subject of 20 questions in those issues where Jillian Grace is the centerfold model?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Jillian Grace"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,C2:C9="Jillian Grace"),5))
Level: medium
Question: Who were the cover model(s) on the 4-05 issue?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="4-05"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,A2:A9="4-05"),2))
Level: medium
Question: Who was on the cover when the 20 questions subject was Scarlett Johansson?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Scarlett Johansson"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,E2:E9="Scarlett Johansson"),2))
Level: medium