Table:
0
A
B
C
D
E
1
Episode Number
Air Date
Guests
Three Darts Challenge
Musical Performance
2
2
5 April 2010
Aaron Johnson , Patsy Palmer , Sharleen Spiteri
Joanna Lumley
Sharleen Spiteri - Xandu
3
3
12 April 2010
Katy Brand , James Corden , Paloma Faith
Ewan McGregor
Paloma Faith - Upside Down
4
7
10 May 2010
Gok Wan , Yvette Fielding , Alphabeat
Sharon Osbourne
Alphabeat - DJ (I Could Be Dancing)
5
8
17 May 2010
Matthew Horne , Rihanna , The cast of Jersey Boys
Meat Loaf
The cast of Jersey Boys
6
9
7 June 2010
Joe Swash , Arlene Phillips , Mary J. Blige
Jermaine Jackson
Mary J. Blige - Each Tear

Questions and formulas:
Question: How many episodes are there for the three darts challenge with Sharon Osbourne?
Formula: SUMIFS(A1,D1,"Sharon Osbourne")
Formula2: SUMIFS(A2:A6,D2:D6,"Sharon Osbourne")
Level: easy
Question: What musical performances aired on 5 April 2010?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="5 April 2010"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="5 April 2010"),5))
Level: medium
Question: What were the guests that aired on 7 June 2010?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="7 June 2010"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="7 June 2010"),3))
Level: medium
Question: Who was in the three darts challenge that aired on 10 may 2010?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="10 May 2010"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="10 May 2010"),4))
Level: medium