Table:
0
A
B
C
D
E
F
G
1
No.
#
Episode
Writer
Director
Original air date
Viewing figure
2
2
1
"Flotsam and Jetsam"
Toby Whithouse
Toby Haynes
25January2009
1092000
3
3
2
"Tully"
Toby Whithouse
Toby Haynes
1February2009
974000
4
4
3
"Ghost Town"
Rachel Anthony
Alex Pillai
8February2009
815000
5
5
4
"Another Fine Mess"
Brian Dooley
Alex Pillai
15February2009
815000
6
6
5
"Where The Wild Things Are"
Toby Whithouse
Colin Teague
22February2009
797000

Questions and formulas:
Question: Who directed episode number 2?
Formula: LET(query1,SUMMARIZE(E1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=2))
Formula2: LET(query1,SUMMARIZE(E2:E6,SUMX(A2:A6)),FILTER(query1,CHOOSECOLS(query1,2)=2))
Level: hard
Question: What was the episode number that had 797000 viewers?
Formula: SUM(FILTER(A1, G1=797000))
Formula2: SUM(FILTER(A2:A6, G2:G6=797000))
Level: easy
Question: Who directed the episode directed by colin teague?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="Colin Teague"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,E2:E6="Colin Teague"),4))
Level: medium