Table:
0
A
B
C
D
E
F
G
1
DVD Name
Ep #
Region 1 (US)
Region 1 (CAN)
Region 2 (UK)
Region 2 (Germany)
Region 4 (Australia)
2
The Complete First Season
25 (3 discs)
November 18, 2003
August 11, 2009
January 29, 2007
November 26, 2004
January 11, 2007
3
The Complete Second Season
25 (3 discs)
April 20, 2004
August 11, 2009
July 9, 2007
March 31, 2005
July 12, 2007
4
The Complete Third Season
25 (3 discs)
February 22, 2005
August 11, 2009
September 15, 2008
September 2, 2005
July 31, 2008
5
The Complete Fourth Season
25 (3 discs)
April 14, 2005
January 5, 2010
February 9, 2009
December 2, 2005
January 15, 2009
6
The Complete Fifth Season
25 (3 discs)
June 20, 2006
January 5, 2010
May 18, 2009
May 26, 2006
May 7, 2009
7
The Complete Sixth Season
24 (3 discs)
September 19, 2006
January 5, 2010
July 13, 2009
November 24, 2006
August 6, 2009
8
The Complete Seventh Season
22 (3 discs)
January 16, 2007
November 9, 2010
March 22, 2010
March 9, 2007
April 1, 2010
9
The Complete Eighth Season
23 (3 discs)
May 1, 2007
November 9, 2010
June 21, 2010
August 24, 2007
June 3, 2010
10
The Complete Ninth Season
13 (2 discs)
September 25, 2007
November 9, 2010
September 20, 2010
October 19, 2007
September 16, 2010

Questions and formulas:
Question: How many region 4 dates are associated with a region 2 date of July 9, 2007?
Formula: ROWS(UNIQUE(FILTER(G1, E1="July 9, 2007")))
Formula2: ROWS(UNIQUE(FILTER(G2:G10, E2:E10="July 9, 2007")))
Level: medium
Question: What is the region 1 (Canada) date associated with a region 1 (US) date of January 16, 2007?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="January 16, 2007"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,C2:C10="January 16, 2007"),4))
Level: medium
Question: What is the region 4 (Aus) date associated with a region 1 (US) date of January 16, 2007?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="January 16, 2007"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,C2:C10="January 16, 2007"),7))
Level: medium
Question: What is the region 2 (UK) date associated with a region 4 (Aus) date of July 31, 2008?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="July 31, 2008"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,G2:G10="July 31, 2008"),5))
Level: medium
Question: What is the region 1 (Canada) date associated with a region 2 (UK) date of May 18, 2009?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="May 18, 2009"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,E2:E10="May 18, 2009"),4))
Level: medium