Question: How many episodes were in the seaon of "South Park" which had the episode "Big Gay Al's Big Gay Boat Ride"?
Context: Big Gay Out is the name of a non-profit LGBT fair day in Auckland, New Zealand.  The Big Gay Out has been running since the 1990s and is usually organised and run by the New Zealand AIDS Foundation.  The events title is based on the music festival Big Day Out.  In 2012, the current Queen of Vinegar Hill, New Zealand attended the Big Gay Out to promote the camp at the end of the year. Bako National Park is a national park in Kuching Division, Sarawak, Malaysia.  Established in 1957, it is the oldest national park in Sarawak.  It covers an area of 27.27 km2 at the tip of the Muara Tebas peninsula at the mouth of the Bako and Kuching Rivers.  It is approximately 40 km by road from Kuching.  Millions of years of erosion of the sandstone have created a coastline of steep cliffs, rocky headlands and stretches of white, sandy bays.  Wave erosion at the base of the cliffs has carved many of the rocky headlands into fantastically shaped sea arches and seastacks with colored patterns formed by iron deposition.The most famous of them is shaped like a cobra's head which can be spotted on a boat ride from the headquarters or one of the beaches.  Some of these rock formations can be seen on entry to the Teluk Assam Beach, which fronts the park.  The park can only be reached by a 20-minute boat ride from the village of Kampung Bako.  It is often visited as a day-trip from Kuching, though accommodations (campground and forestry service bungalows) are available. "Big Gay Al's Big Gay Boat Ride" is the fourth episode in the first season of the American animated television series "South Park".  It originally aired on September 3, 1997 on Comedy Central in the United States.  The episode was written by series co-founders Trey Parker and Matt Stone, and directed by Parker.  In this episode, Stan's dog, Sparky, is revealed to be gay after humping a rival male dog.  Under peer pressure, Stan tries to make him more masculine, and as a result, Sparky runs away and ends up at Big Gay Al's Big Gay Animal Sanctuary.  Stan comes to understand homosexuality and tries to make everyone in South Park accept it. PrideFest is an annual Gay pride event held each June in Denver, honoring the culture and heritage of the lesbian, gay, bisexual, and transgender community in the State of Colorado.  The first Denver PrideFest occurred in 1976, the same year the local community center was founded.  The event currently consists of a two-day festival at Civic Center Park, the Big Gay 5K, and culminates with a parade along Colfax Avenue.  Denver PrideFest now draws 375,000 guests annually, making it the third largest pride festival and seventh largest pride parade in the United States. The Big Gay Sketch Show is an LGBT-themed sketch comedy program that debuted on Logo on April 24, 2007.  The series is produced by Rosie O'Donnell and directed by Amanda Bearse.  The program was originally titled "The Big Gay Show" but was renamed during production.  As the name indicates, the show features comedy sketches with gay themes or a gay twist.  Sketch topics include parodies of old sitcoms like "The Honeymooners" and "The Facts of Life" under the Nick at Nite-parodying heading "Logo at Nite", a lesbian speed dating session and an extended send-up of Broadway legend Elaine Stritch working as a Wal-Mart greeter, among other decidedly un-glamorous jobs. My Big Gay Italian Wedding is a play written by Anthony J. Wilkinson that includes original music and lyrics written by David James Boyd.  It premiered off-Broadway in 2003, at the Actor's Playhouse in New York City.  In September 2009, a revised version produced by Dina Manzo of Bravo's "The Real Housewives of New Jersey" and co-starring Scott Evans played a benefit performance at the St. George Theatre in Staten Island; the play then opened with a new cast that included Reichen Lehmkuhl in May 2010 at the St. Luke's Theatre on West 46th Street, in Manhattan, for an open-ended run that conclude on August 20, 2011.  As of November 2012, "My Big Gay Italian Wedding" also ran at the St. Luke's Theatre in an open ended run (now closed) with the cast below.  Los Angeles and UK productions were running currently. "Follow That Egg!"  is the tenth episode in the ninth season of the American animated television series "South Park".  The 135th overall episode, it originally aired on Comedy Central in the United States on November 2, 2005.  In the episode, Mrs. Garrison tries reuniting with her ex-boyfriend Mr. Slave, but finds out that he is going to marry Big Gay Al after the governor of Colorado legalizes same-sex marriage in the state.  Garrison, furious, goes to the governor and tells him that if same-sex couples get married, they will have the right to raise children, which she believes they are incapable of doing, and so decides to use a class project as a way to get the governor to change his mind. Jonny McGovern (born July 12, 1976), also known by his character name The Gay Pimp, is an American stand-up comedian, musician and podcaster.  He has recorded three albums as comedic singer The Gay Pimp, and is also a cast member of Logo's "The Big Gay Sketch Show". Okefenokee Swamp Park , located near Waycross, Georgia, United States, is the northern most entry point to the Okefenokee National Wildlife Refuge.  The Okefenokee Swamp, is the most extensive blackwater swamp in North America and covers over 438,000 acres.  The Okefenokee Swamp Park, Inc., which began operation in October 1946, receives no federal or state funding and operates as a 501(c)(3) non-profit organization.  Located six miles southeast from Waycross, Georgia, the park serves as a convenient access point to the "Land of the Trembling Earth," and prides itself on being a leader in both Ecotourism and Education.  The park allows visitors to get an casual and up-close look at some of the swamp's infamous residents such as the American Alligator, river otter, turtles, snakes, birds-of-prey, and more.  Priding itself on allowing everyone to get a introduction into the Okefenokee Swamp, the Okefenokee Swamp Park allows visitors to take a boat ride, train ride, see a nature show and walk out to a 90-foot observation tower all in a 3-1/2 hours.  A 45-minute boat ride winds down Indian trails to a 90-foot observation tower which is also accessible by a narrow, winding boardwalk.  The "Eye on Nature" show gives visitors the opportunity to hear about, and see first-hand, some of the native snake species, as well as a touch a baby alligator.  The Lady Suwannee train meanders through southern pine forests on the outskirts of the wetlands and visits Pioneer Island, where visitors can view and walk through a recreated early swamp homestead. The first season of the animated television series "South Park" ran for 13 episodes from August 13, 1997 to February 25, 1998 on the American network Comedy Central.  The creators Trey Parker and Matt Stone wrote most of the season's episodes; Dan Sterling, Philip Stark and David Goodman were credited with writing five episodes.  The narrative revolves around four children—Stan Marsh, Kyle Broflovski, Eric Cartman and Kenny McCormick—and their unusual experiences in the titular mountain town.
Answer: 13