Question: In which year was this episode of "The Simpsons" that used the Simpsons opening sequence for the first time aired?

Context paragraphs:
Lisa the Drama Queen: "Lisa the Drama Queen" is the ninth episode of the twentieth season of "The Simpsons".  It originally aired on the Fox network in the United States on January 25, 2009 and guest starred Emily Blunt as Juliet.  A special version of the end credits theme was performed by Fall Out Boy, although they do not guest star in the actual episode.  This was the last episode in the series to be presented only in standard definition, the first regular episode to begin right after the opening credits without a commercial break, with an episode now having four segments, and the last episode to use the original opening sequence starting from Season 2.  Brian Kelley returns as a writer after five seasons of being absent from the show.  The episode is very loosely based on the 1994 film "Heavenly Creatures".

The Simpsons Theme: "The Simpsons" Theme", also referred to as "The Simpsons" Main Title Theme" in album releases, is the theme music of the animated television series "The Simpsons".  It plays during the opening sequence and was composed by Danny Elfman in 1989, after series creator Matt Groening approached him requesting a retro-style theme.  The piece, which took 3 days, 2 hours, 48 minutes, and 19 seconds to create, has been noted by Elfman as the most popular of his career.  The theme, as used for the opening sequence, was re-arranged during season 2, and the current arrangement by Alf Clausen was introduced at the beginning of the third season.

Four Regrettings and a Funeral: "Four Regrettings and a Funeral" is the third episode of the 25th season of the American animated sitcom "The Simpsons", and the 533rd episode of the series.  It first aired on the Fox network in the United States on November 3, 2013.  It was written by Marc Wilmore and directed by Mark Kirkland.  The episode is dedicated in memory of Marcia Wallace (the voice of Edna Krabappel) who died on October 25, 2013.  In addition, the chalkboard gag in the opening sequence was changed to read a single "We'll really miss you Mrs. K".  The title is a spoof of "Four Weddings and a Funeral".

Homicide: Life on the Street (season 5): The fifth season of "" aired in the United States on the NBC television network from 20 September 1996 to 16 May 1997 and contained 22 episodes.  A new opening sequence debuted with the start of this season, including elements of a police investigation (murder weapon, dusting for fingerprints, etc.) and a growing chatter of radio transmissions behind the theme music.  In addition, pictures of the actors were displayed alongside their names for the first time.  The sequence ends with the ringing of the squadroom phone and a voice answering, "Homicide."

Some Enchanted Evening (The Simpsons): "Some Enchanted Evening" is the thirteenth episode of "The Simpsons"<nowiki>'</nowiki> first season.  It originally aired on the Fox network in the United States on May 13, 1990.  Written by Matt Groening and Sam Simon and directed by David Silverman and Kent Butterworth, "Some Enchanted Evening" was the first episode produced for season one and was intended to air as the series premiere, but served as the final episode of the season due to significant animation problems.  It is also the last episode to feature the original opening sequence starting from "Bart the Genius".  In the episode, Homer and Marge spend a night on the town while leaving the children with a diabolical babysitter named Ms. Botz.

Homerazzi: "Homerazzi" is the sixteenth episode of the eighteenth season of "The Simpsons".  It originally aired on the Fox network in the United States on March 25, 2007.  It was written by J. Stewart Burns, directed by Matthew Nastuk, and guest starred J.K. Simmons as the tabloid editor, Betty White as herself, and Jon Lovitz as Enrico Irritazio.  The full-length opening sequence and couch gag ran for over 2 minutes and 20 seconds, making it one of the longest in the history of the show.

The Simpsons opening sequence: The opening sequence of the American animated television series "The Simpsons" is among the popularized opening sequences in television and goes along with one of television's most recognizable theme songs.  The first episode to use this intro was the series' second episode "Bart the Genius".

Clown in the Dumps: "Clown in the Dumps" is the season premiere of the twenty-sixth season of the American animated television series "The Simpsons", and the 553rd episode of the series overall.  It first aired in the United States on the Fox network on September 28, 2014, with "The Simpsons Guy", a crossover episode of "Family Guy" with "The Simpsons", airing afterwards.  This episode was dedicated in memory of Louis Castellaneta, the father of "The Simpsons" voice actor Dan Castellaneta.  It was written by Joel H. Cohen and directed by Steven Dean Moore, with Don Hertzfeldt directing a sequence in the opening titles.  Jeff Ross, Sarah Silverman and David Hyde Pierce guest starred as themselves, with Jackie Mason and Kelsey Grammer reprising their respective roles as Rabbi Krustofski and Sideshow Bob, while Maurice LaMarche voiced several minor characters.

List of The Simpsons couch gags: "The Simpsons" is an American animated television sitcom created by Matt Groening for the Fox Broadcasting Company.  The opening sequence of "The Simpsons" features a couch gag; a "twist of events that befalls the Simpson family at the end of every credit sequence as they converge on their living-room couch to watch TV."  The couch gag is a running visual joke near the end of the opening sequence.

Bart the Genius: "Bart the Genius" is the second episode of "The Simpsons"<nowiki>'</nowiki> first season.  It originally aired on the Fox network in the United States on January 14, 1990.  It was the first episode written by Jon Vitti.  It was also the first ever episode to use the opening sequence, as well as the first regular episode.  In the episode Bart cheats on an intelligence test and is declared a genius, so he is sent to a school for gifted children.  Though he initially enjoys being treated as a genius, he begins to see the downside of his new life.

Supporting paragraphs: The Simpsons opening sequence Bart the Genius
Answer: 1990