Table:
0
A
B
C
D
E
F
1
Date
Episode
Performer 1
Performer 2
Performer 3
Performer 4
2
2 January 1988
1
John Sessions
Stephen Fry
Dawn French
Lenny Henry
3
9 January 1988
2
John Sessions
Stephen Fry
Hugh Laurie
Enn Reitel
4
16 January 1988
3
John Sessions
Stephen Fry
Nonny Williams
Jimmy Mulville
5
23 January 1988
4
John Sessions
Stephen Fry
Kate Robbins
Griff Rhys Jones
6
30 January 1988
5
John Sessions
Stephen Fry
Jimmy Mulville
John Bird
7
6 February 1988
6
John Sessions
Stephen Fry
Jon Glover
Rory Bremner

Questions and formulas:
Question: What is the average episode number where jimmy mulville was the 4th performer?
Formula: AVERAGEIFS(B1,F1,"jimmy mulville")
Formula2: AVERAGEIFS(B2:B7,F2:F7,"jimmy mulville")
Level: easy
Question: What is the total number of episodes where hugh laurie was the 3rd performer?
Formula: SUMIFS(B1,E1,"hugh laurie")
Formula2: SUMIFS(B2:B7,E2:E7,"hugh laurie")
Level: easy
Question: What is the lowest episode number where john bird was the 4th performer?
Formula: MINIFS(B1,F1,"john bird")
Formula2: MINIFS(B2:B7,F2:F7,"john bird")
Level: easy
Question: Who was the 3rd performer when Rory Bremner was the 4th performer?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="rory bremner"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,F2:F7="rory bremner"),5))
Level: medium