Table:
0
A
B
C
D
E
1
Series Sorted
Title
Doctor
Featuring
Released
2
6Y/AA
The Nightmare Fair
6th
Peri , Celestial Toymaker
November 2009
3
6Y/AB
Mission to Magnus
6th
Peri, s Ice Warrior , Sil
December 2009
4
6Y/AC
Leviathan
6th
Peri
January 2010
5
6Y/AD
The Hollows of Time
6th
Peri, Tractators
February 2010
6
6Y/AE
Paradise 5
6th
Peri
March 2010
7
6Y/AF
Point of Entry
6th
Peri
April 2010
8
6Y/AG
The Song of Megaptera
6th
Peri
May 2010
9
6Y/AH
The Macros
6th
Peri
June 2010

Questions and formulas:
Question: What was the date of release for the episode sorted value of 6Y/AA?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="6y/aa"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,A2:A9="6y/aa"),5))
Level: medium
Question: What is the series sorted value for the episode released December 2009?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="december 2009"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="december 2009"),1))
Level: medium