Table:
0
A
B
C
D
E
1
Episode
Broadcast date
Guest(s)
Singer(s)
Ratings
2
1
14August2012
Michael McIntyre and Alex James
Amy Macdonald
1.44m
3
2
21August2012
Barbara Windsor and Heston Blumenthal
The Overtones
Under 1.39m
4
3
28August2012
Sarah Millican and Grayson Perry
Newton Faulkner
Under 1.39m
5
4
4September2012
Jason Manford and Neil Morrissey
Ronan Keating
Under 1.25m
6
5
11September2012
Emilia Fox and Steve Backshall
Tom Jones
Under 1.37m

Questions and formulas:
Question: who guest starred on the episode with a 1.44m rating
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="1.44m"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,E2:E6="1.44m"),3))
Level: medium
Question: when was the episode on which barbara windsor and heston blumenthal guest starred broadcasted
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="Barbara Windsor and Heston Blumenthal"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,C2:C6="Barbara Windsor and Heston Blumenthal"),2))
Level: medium
Question: how many broadcaste dates features the overtones
Formula: ROWS(UNIQUE(FILTER(B1, D1="The Overtones")))
Formula2: ROWS(UNIQUE(FILTER(B2:B6, D2:D6="The Overtones")))
Level: medium
Question: how many guest stars did the episode that was broadcasted 11september2012 have
Formula: ROWS(UNIQUE(FILTER(C1, B1="11September2012")))
Formula2: ROWS(UNIQUE(FILTER(C2:C6, B2:B6="11September2012")))
Level: medium
Question: when was the episode guest starring michael mcintyre and alex james broadcasted
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="Michael McIntyre and Alex James"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,C2:C6="Michael McIntyre and Alex James"),2))
Level: medium
Question: which episode did sarah millican and grayson perry appear in
Formula: SUMIFS(A1,C1,"Sarah Millican and Grayson Perry")
Formula2: SUMIFS(A2:A6,C2:C6,"Sarah Millican and Grayson Perry")
Level: easy