Table:
0
A
B
C
D
E
1
Character
Actor
Years
Series
Episode Count
2
Dr Nikki Alexander
Emilia Fox
2004-
8.5-
86
3
Dr Jack Hodgson
David Caves
2013-
16.1-
10
4
Dr. Clarissa Mullery
Liz Carr
2013–
16.1-
10
5
Dr Thomas Chamberlain
Richard Lintern
2014-
17.?-
0
6
Professor Sam Ryan
Amanda Burton
1996-2004
1.1-8.2
54
7
Professor Leo Dalton
William Gaminara
2002–2013
6.1-16.10
106
8
Dr Harry Cunningham
Tom Ward
2002-2012
6.1-15.10
96
9
Dr Trevor Stewart
William Armstrong
1996-1998
1.1-3.8
24

Questions and formulas:
Question: How many Episode Counts have an Actor of liz carr?
Formula: SUMIFS(E1,B1,"liz carr")
Formula2: SUMIFS(E2:E9,B2:B9,"liz carr")
Level: easy
Question: Which Years have a Character of dr trevor stewart?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="dr trevor stewart"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,A2:A9="dr trevor stewart"),3))
Level: medium
Question: Which Series has an Actor of tom ward?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="tom ward"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,B2:B9="tom ward"),4))
Level: medium