Question: At what point did "30 Rock" get a writer's guild of America award for best comedy series?
About the article "30 Rock", section "Awards and nominations".

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Capping its critically successful first season, "30 Rock" won the Primetime Emmy Award for Outstanding Comedy Series and Elaine Stritch was awarded an Emmy in September 2007 for her work as a guest actress in "Hiatus".
Tina Fey and Alec Baldwin were nominated in the Outstanding Lead Actress and Outstanding Lead Actor in a comedy series categories respectively.
"Jack-Tor" and "Tracy Does Conan" were both nominated in the category of Outstanding Writing for a Comedy Series.
"30 Rock" received four Creative Arts Emmy Awards.
Alec Baldwin received the Golden Globe Award for in 2007.
Baldwin also received the Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Comedy Series in 2007.
The show also received various other guild award nominations during its first season.
In 2008, Tina Fey and Alec Baldwin both won Screen Actors Guild Awards.
The series took home the Writers Guild of America Award for Best Comedy Series in 2008.
It also received the Danny Thomas Producer of the Year Award in Episodic Series – Comedy from the Producers Guild of America in 2008.
"30 Rock" received 17 Emmy nominations, for its second season, meaning it was the second most nominated series of the year.
These 17 nominations broke the record for the most nominations for a comedy series, meaning that "30 Rock" was the most-nominated comedy series for any individual Emmy year.
The previous holder of this record was "The Larry Sanders Show" in 1996 with 16 nominations.
"30 Rock" also won the Television Critics Association Award for "Outstanding Achievement in Comedy.
"Also in 2008, "30 Rock" completed a sweep of the major awards for best comedy series at that year's Primetime Emmy Awards.
The show won Outstanding Comedy Series, Alec Baldwin was recognized as Outstanding Lead Actor in a Comedy Series, and Tina Fey was given the award for Outstanding Lead Actress in a Comedy Series.
This marks the eighth time in the history of the Emmy awards that a show won best series plus best lead actor and actress.
Tina Fey also won the award for Outstanding Writing in a Comedy Series for the episode "Cooter".
At the 2008 Golden Globe awards, "30 Rock" won the award for Best Television Series – Musical or Comedy, Alec Baldwin won Best Actor in a Television Musical or Comedy, and Tina Fey won Best Actress in a Television Musical or Comedy.
For the show's 2007 episodes, "30 Rock" received a Peabody Award at the 67th Annual Peabody Awards.
Upon announcing the award, the Peabody Board commended the show for being "not only a great workplace comedy in the tradition of "The Mary Tyler Moore Show", complete with fresh, indelible secondary characters, but also a sly, gleeful satire of corporate media, especially the network that airs it".
In 2009 "30 Rock" received a record-breaking 22 Primetime Emmy Award nominations and won five Emmy Awards, including Best Comedy Series and Best Actor in a Comedy Series (Alec Baldwin).
John Riggi is an American television writer, producer, director, and actor who has worked on various television shows.
He has worked as a writer on the NBC comedy series "30 Rock".
He was nominated for the Writers Guild of America Award award for Best Dramatic Series at the February 2009 ceremony for his work on the third season of "30 Rock". 
Jack Burditt is an American producer and screenwriter who has worked on many television shows.
He is a son of the late writer and producer George Burditt.
He has worked as a writer on the NBC comedy series "30 Rock".
He was nominated for the Writers Guild of America Award award for Best Comedy Series at the February 2009 ceremony for his work on the third season. 
The episode received multiple award nominations.
The episode's director Jason Winer won Directors Guild of America award for Directors Guild of America Award for Outstanding Directing – Comedy Series.
The episode also won for Episodic Comedy at the Writers Guild of America Awards 2009 tying with Robert Carlock for his work on a "30 Rock" episode: "Apollo, Apollo".
The episode was also nominated for numerous Primetime Emmy Awards winning Outstanding Writing for a Comedy Series and Outstanding Single-Camera Picture Editing for a Comedy Series, but lost Outstanding Directing for a Comedy Series to "Glee". 
 Best Comedy Drama, Comedy awards RTS Award for Best Series Best Series Award at the San Francisco Television Festival Nominated for BAFTA Award for Best Series Writer's Guild of Great Britain Best Original Drama Series Award RTS Midlands Best Drama Series Nominated for British Comedy Awards