Table:
0
A
B
C
D
E
F
1
Series #
Title
Director
Writer
Air Date
Production Code
2
1
"Laura 2008"
Shawn Seet
Leah Purcell
December4,2009
101
3
2
"Mohammed 1998"
Shawn Seet
Brendan Cowell
December7,2009
102
4
3
"Lily 1988"
Shawn Seet
Greg Waters
December8,2009
103
5
4
"Mike 1978"
Michael James Rowland
Nicholas Parsons
December9,2009
104
6
5
"Sofia 1968"
Michael James Rowland
Nicholas Parsons
December10,2009
105
7
6
"Michaelis 1958"
Michael James Rowland
Tim Pye
December11,2009
106
8
7
"Jen 1948"
Catriona McKenzie
Alice Addison
December14,2009
107
9
8
"Colum 1938"
Catriona McKenzie
Greg Waters
December15,2009
108
10
9
"Bridie 1928"
Samantha Lang
Gina Roncoli
December16,2009
109
11
10
"Bertie 1918"
Samantha Lang
Nicolas Parsons
December17,2009
110
12
11
"Evelyn 1908"
Jessica Hobbs
Blake Ayshford
December18,2009
111
13
12
"Rowley 1898"
Jessica Hobbs
Tim Pye
December21,2009
112

Questions and formulas:
Question: When did the episode "rowley 1898" air?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Rowley 1898"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,B2:B13="Rowley 1898"),5))
Level: medium
Question: What was the production code of the episode written by Brendan Cowell?
Formula: SUMIFS(F1,D1,"Brendan Cowell")
Formula2: SUMIFS(F2:F13,D2:D13,"Brendan Cowell")
Level: easy