Table:
0
A
B
C
D
E
F
1
Episode No.
Title
Directed by
Written by
Original air date
Production code
2
1
" Serenity "
Joss Whedon
Joss Whedon
December 20, 2002
1AGE79
3
2
" The Train Job "
Joss Whedon
Joss Whedon & Tim Minear
September 20, 2002
1AGE01
4
3
" Bushwhacked "
Tim Minear
Tim Minear
September 27, 2002
1AGE02
5
4
" Shindig "
Vern Gillum
Jane Espenson
November 1, 2002
1AGE03
6
5
" Safe "
Michael Grossman
Drew Z. Greenberg
November 8, 2002
1AGE04
7
6
" Our Mrs. Reynolds "
Vondie Curtis Hall
Joss Whedon
October 4, 2002
1AGE05
8
7
" Jaynestown "
Marita Grabiak
Ben Edlund
October 18, 2002
1AGE06
9
8
" Out of Gas "
David Solomon
Tim Minear
October 25, 2002
1AGE07
10
9
" Ariel "
Allan Kroeker
Jose Molina
November 15, 2002
1AGE08
11
10
" War Stories "
James Contner
Cheryl Cain
December 6, 2002
1AGE09
12
11
" Trash "
Vern Gillum
Ben Edlund & Jose Molina
July 21, 2003
1AGE12
13
12
" The Message "
Tim Minear
Joss Whedon & Tim Minear
July 28, 2003
1AGE13
14
13
" Heart of Gold "
Thomas J. Wright
Brett Matthews
August 4, 2003
1AGE10

Questions and formulas:
Question: What is the production code for the episode written by Drew Z. Greenberg?
Formula: FILTER(F1,D1="Drew Z. Greenberg")
Formula2: FILTER(F2:F14,D2:D14="Drew Z. Greenberg")
Level: easy
Question: Who directed episode number 3?
Formula: FILTER(C1,A1=3)
Formula2: FILTER(C2:C14,A2:A14=3)
Level: easy