Question: Maria Christina Thayer is an American actress and comedian who was a guest star in what episode of the third season of the American television comedy series "30 Rock"?

Context paragraphs:
Larry King (30 Rock): "Larry King" is the of the third season of the American television comedy series "30 Rock", and the 48th overall episode of the series.  It was written by supervising producer Matt Hubbard and directed by Constantine Makris.  The episode originally aired on the National Broadcasting Company (NBC) in the United States on February 26, 2009.  Salma Hayek, Ajay Naidu, Brian Stack, and Rip Torn guest star in "Larry King", and there are cameo appearances by Larry King and Meredith Vieira.

Señor Macho Solo: "Señor Macho Solo" is the of the third season of the American television comedy series "30 Rock", and the 43rd overall episode of the series.  It was written by co-executive producer Ron Weiner and directed by Beth McCarthy.  The episode originally aired on the National Broadcasting Company (NBC) in the United States on January 8, 2009.  Peter Dinklage, Salma Hayek, and Sherri Shepherd guest star in "Señor Macho Solo", and there are cameo appearances by Billy Bush and Nancy O'Dell.

Anna Howard Shaw Day: "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.

Live from Studio 6H: "Live from Studio 6H" is the of the sixth season of the American television comedy series "30 Rock", and the 122nd episode overall.  It features a return to live broadcasting from the season five episode "Live Show", both of which were directed by Beth McCarthy-Miller, and co-written by series creator Tina Fey.  The episode originally aired live on the NBC television network in the United States on April 26, 2012, with separate tapings for the East Coast and West Coast audiences.  "Live from Studio 6H" featured guest appearances by comedian Amy Poehler, musician Paul McCartney, and several actors associated with "30 Rock" and "Saturday Night Live".

Floyd (30 Rock): "Floyd" is the of the fourth season of the American television comedy series "30 Rock", and the 74th overall episode of the series.  It was written by series producer Paula Pell, and directed by Millicent Shelton.  The episode originally aired on the National Broadcasting Company (NBC) network in the United States on March 25, 2010.  Cheyenne Jackson, Kristin McGee, and Jason Sudeikis guest star in this episode, and there are cameo appearances by Kathie Lee Gifford, Lester Holt, Hoda Kotb, and Meredith Vieira.

Maria Thayer: Maria Christina Thayer (born October 30, 1975) is an American actress and comedian.  She first earned public recognition for her portrayal of Tammi Littlenut on the cult series "Strangers With Candy" in 1999.  Thayer has also had supporting roles in the comedy films "Hitch" (2005), "Accepted" (2006), and "Forgetting Sarah Marshall" (2008).

Do-Over: "Do-Over" is the first episode of the third season of the American television comedy series "30 Rock", and the thirty-seventh episode overall.  It was written by the series' creator, executive producer and lead actress, Tina Fey and directed by series producer Don Scardino.  The episode originally aired on the National Broadcasting Company (NBC) network in the United States on October 30, 2008.  Guest stars in this episode include Will Arnett, Marceline Hugot, and Megan Mullally.

Gentleman's Intermission: "Gentleman's Intermission" is the of the fifth season of the American television comedy series "30 Rock", and the 86th overall episode of the series.  It was written by co-executive producer John Riggi and directed by series producer Don Scardino.  The episode originally aired on the National Broadcasting Company (NBC) network in the United States on November 4, 2010.  Elizabeth Banks and Buck Henry guest star in this episode, and there are cameo appearances by Ann Curry, Lester Holt, and Meredith Vieira.

College (30 Rock): "College" is the of the fifth season of the American television comedy series "30 Rock", and the 88th overall episode of the series.  It was directed by producer Don Scardino, and written by Josh Siegal and Dylan Morgan.  The episode originally aired on the National Broadcasting Company (NBC) network in the United States on September 23, 2010.  The episode's only guest star is Daniel Sunjata.

St. Valentine's Day (30 Rock): "St. Valentine's Day" is the eleventh episode of the third season, and forty-seventh episode overall, of the American television comedy series "30 Rock".  It was written by co-executive producer Jack Burditt and series' creator, executive producer and lead actress Tina Fey.  The director of this episode was series producer Don Scardino.  The episode originally aired on the National Broadcasting Company (NBC) in the United States on February 12, 2009.  Guest stars in "St. Valentine's Day" include Marylouise Burke, Jon Hamm, Salma Hayek, Zak Orth, Laila Robins, Maria Thayer, and Allie Trimm.

Supporting paragraphs: St. Valentine's Day (30 Rock) Maria Thayer
Answer: eleventh