Table:
0
A
B
C
D
E
F
G
1
Episode air date
Audition city
First audition date
Audition venue
Callback audition date
Callback venue
Golden tickets
2
January 19, 2011
East Rutherford, New Jersey
August 3, 2010
Izod Center
September 28–30, 2010
Liberty House Restaurant
51
3
January 20, 2011
New Orleans, Louisiana
July 26, 2010
New Orleans Arena
October 17–18, 2010
Hilton Riverside Hotel
37
4
January 26, 2011
Milwaukee, Wisconsin
July 21, 2010
Bradley Center
October 2–3, 2010
Milwaukee Art Museum
53
5
January 27, 2011
Nashville, Tennessee
July 17, 2010
Bridgestone Arena
October 25–26, 2010
Ryman Auditorium
56 1
6
February 2, 2011
Austin, Texas
August 11, 2010
Frank Erwin Center
October 8–9, 2010
Barton Creek Resort & Spa
50
7
February 3, 2011
Los Angeles, California
September 22, 2010
The Forum
November 3–4, 2010
AT&T Center
30 1
8
February 9, 2011
San Francisco, California
August 19, 2010
AT&T Park
November 9–10, 2010
Westin St. Francis
47 1

Questions and formulas:
Question: Where were the auditions held in the episode that aired on january 27, 2011?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="January 27, 2011"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,A2:A8="January 27, 2011"),2))
Level: medium
Question: In how many different audition cities were the Bridgestone arena auditions held?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="Bridgestone Arena"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,D2:D8="Bridgestone Arena"),2))
Level: medium
Question: When was the callback audition date for the audition city from the episode aired on February 2, 2011?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="February 2, 2011"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,A2:A8="February 2, 2011"),5))
Level: medium
Question: When were the callback auditions at Hilton Riverside Hotel held?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="Hilton Riverside Hotel"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,F2:F8="Hilton Riverside Hotel"),5))
Level: medium
Question: What was the callback venue for the audition city in the episode aired on January 20, 2011?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="January 20, 2011"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,A2:A8="January 20, 2011"),6))
Level: medium
Question: When were the callback auditions for the audition city in the episode aired on February 9, 2011?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="February 9, 2011"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,A2:A8="February 9, 2011"),5))
Level: medium