Table:
0
A
B
C
D
E
F
1
Date
Episode
Performer 1
Performer 2
Performer 3
Performer 4
2
1 July 1994
1
Stephen Frost
Colin Mochrie
Ryan Stiles
Tony Slattery
3
8 July 1994
2
Josie Lawrence
Ryan Stiles
Greg Proops
Mike McShane
4
15 July 1994
3
Stephen Frost
Colin Mochrie
Ryan Stiles
Tony Slattery
5
22 July 1994
4
Mike McShane
Greg Proops
Ryan Stiles
Tony Slattery
6
29 July 1994
5
Josie Lawrence
Stephen Frost
Ryan Stiles
Tony Slattery
7
5 August 1994
6
Stephen Frost
Colin Mochrie
Ryan Stiles
Tony Slattery
8
12 August 1994
7
Josie Lawrence
Rory Bremner
Tony Slattery
Mike McShane
9
19 August 1994
8
Greg Proops
Chip Esten
Ryan Stiles
Tony Slattery
10
26 August 1994
9
Greg Proops
Colin Mochrie
Ryan Stiles
Tony Slattery
11
2 September 1994
10
Compilation 1
Compilation 1
Compilation 1
Compilation 1
12
9 September 1994
11
Compilation 2
Compilation 2
Compilation 2
Compilation 2

Questions and formulas:
Question: Episode of 9 in which performer 3 had?
Formula: LET(query1,SUMMARIZE(E1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=9))
Formula2: LET(query1,SUMMARIZE(E2:E12,SUMX(B2:B12)),FILTER(query1,CHOOSECOLS(query1,2)=9))
Level: hard
Question: Date of 8 july 1994 involves which performer 1?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="8 july 1994"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,A2:A12="8 july 1994"),3))
Level: medium
Question: Date of 15 july 1994 involves which performer 3?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="15 july 1994"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,A2:A12="15 july 1994"),5))
Level: medium
Question: Performer 2 of chip esten has what performer 3?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="chip esten"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,D2:D12="chip esten"),5))
Level: medium