"Children of the Damned" is the thirteenth episode of the first season of The CW television series, "The Vampire Diaries" and the thirteenth episode of the series overall.
 It originally aired on February 4, 2010.
 The episode was written by Kevin Williamson and Julie Plec and directed by Marcos Siega.
"Anna Howard Shaw Day" is the thirteenth episode of the fourth season of the American television comedy series "30 Rock", and the 71st episode of the series overall.
 It was written by supervising producer Matt Hubbard and directed by Ken Whittingham.
 The episode originally aired on the National Broadcasting Company (NBC) network in the United States on February 11, 2010.
 Elizabeth Banks, Jon Hamm, Shinnerrie Jackson, Douglas Rees, Horatio Sanz, Jason Sudeikis, and Dean Winters guest star in this episode, and there is a cameo appearance by musician Jon Bon Jovi.
"Fifteen Percent" is the thirteenth episode of the first season of the ABC sitcom "Modern Family" and the thirteenth episode of the series overall.
 It originally aired on January 24, 2010, on ABC.
 The episode was written by co-creator Steven Levitan and directed by Jason Winer.
"Last Lunch" is the thirteenth episode of the seventh season of the American television comedy series "30 Rock", the 138th overall episode, and the second part of the one-hour series finale.
 It was directed by Beth McCarthy-Miller and written by Tina Fey and Tracey Wigfield.
 The episode originally aired as an hour-long episode, along with "Hogcock!
", on NBC on January 31, 2013.
 Guest stars in this episode include Marceline Hugot, Al Roker, Conan O'Brien and Alice Ripley.
"Grandmentor" is the thirteenth episode of the sixth season of the American television comedy series "30 Rock", and the 116th overall episode of the series.
 It was directed by Beth McCarthy-Miller, and written by Sam Means.
 The episode originally aired on the National Broadcasting Company (NBC) network in the United States on March 22, 2012.
Elizabeth Stamatina "Tina" Fey ( ; born May 18, 1970) is an American actress, comedian, writer, and producer.
 She is best known for her work on the NBC sketch comedy series "Saturday Night Live" (1997–2006) and for creating the acclaimed comedy series "30 Rock" (2006–2013) and "Unbreakable Kimmy Schmidt" (2015–present).
 Fey is also known for her film work, with her most notable appearances including roles in "Baby Mama" (2008), "Date Night" (2010), "Muppets Most Wanted" (2014), "Sisters" (2015), and "Whiskey Tango Foxtrot" (2016).
The fifth season of "30 Rock", an American television comedy series on the NBC network in the United States, began airing on September 23, 2010.
 NBC announced on March 5, 2010 that "30 Rock" would be returning for a fifth season in the 2010–2011 television season.
 Beginning with episode 11, "30 Rock" was moved to the 10:00 PM timeslot, but, as a consolation, was renewed earlier than the other NBC sitcoms.
 During this time, Tracy Morgan underwent an emergency operation, causing his character to be written out for several episodes.
"Succession" is the thirteenth episode of NBC's second season of "30 Rock" and the thirty-fourth episode overall.
 It was written by Andrew Guest and one of the seasons' co-executive producers, John Riggi; it was directed by Gail Mancuso.
 It first aired on April 24, 2008 in the United States.
 Guest stars in this episode include Will Arnett, Marceline Hugot, Chris Parnell, Brian Stack, Tom Toner and Rip Torn.
"Up All Night" is the thirteenth episode of NBC's first season of "30 Rock".
 It was written by the series' creator and executive producer Tina Fey, and was directed by Michael Engler.
 It first aired on February 8, 2007 in the United States.
 Guest stars in this episode include Katrina Bowden, Rachel Dratch, Rachel Hamilton, John Lutz, Maulik Pancholy, Keith Powell, Lonny Ross, Isabella Rossellini, Sherri Shepherd, Jason Sudeikis and Mark Zimmerman.
 Joy Behar appeared as herself in the episode.
"Dances with Smurfs" is the thirteenth episode of the thirteenth season of the American animated television series "South Park".
 The 194th overall episode of the series, it originally aired on Comedy Central in the United States on November 11, 2009.
 In the episode, Eric Cartman becomes the reader of the elementary school announcements, and starts making politically charged accusations against student body president Wendy Testaburger The episode was written and directed by series co-creator Trey Parker, and was rated TV-MA L in the United States and M (as) in Australia.

Question: When was the writer of the thirteenth episode of "30 Rock" born?
Answer: May 18, 1970