Table:
0
A
B
C
D
E
1
Series Sorted
Title
Author
Featuring
Released
2
4S/A
Destination: Nerva
Nicholas Briggs Category:Articles with hCards
Leela
January 2012
3
4S/B
The Renaissance Man
Justin Richards Category:Articles with hCards
Leela
February 2012
4
4S/C
The Wrath of the Iceni
John Dorney Category:Articles with hCards
Leela
March 2012
5
4S/D
Energy of the Daleks
Nicholas Briggs Category:Articles with hCards
Leela, Daleks
April 2012
6
4S/E
Trail of the White Worm Part 1
Alan Barnes Category:Articles with hCards
Leela, The Master
May 2012
7
4S/F
The Oseidon Adventure Part 2
Alan Barnes Category:Articles with hCards
Leela, The Master, Kraals
June 2012

Questions and formulas:
Question: who is the author when featuring is leela, the master, kraals?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="leela, the master, kraals"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,D2:D7="leela, the master, kraals"),3))
Level: medium
Question: who is the author when the title is destination: nerva?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="destination: nerva"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="destination: nerva"),3))
Level: medium
Question: who is featuring when the title is energy of the daleks?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="energy of the daleks"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="energy of the daleks"),4))
Level: medium
Question: what is the title when the featuring is leela and series sorted is 4s/b?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="leela")*(A1="4s/b")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(D2:D7="leela")*(A2:A7="4s/b")),2))
Level: medium