Question: Ibai Gómez is a footballer who plays for a club founded in what year?

Context paragraphs:
Lane Cove Rugby: Lane Cove Rugby Union Football Club is a rugby union club founded in 1949 and which participates in the New South Wales Suburban Rugby Union ("Subbies") competition.  The club is situated in Lane Cove in Sydney, New South Wales, Australia.  The home ground is Tantallon Oval.  The club was successful in Sydney Rugby through the 1950s and 1960s and competitive in Division One Sub-Districts into the 1980s with victories including the Under 21 New South Wales State Premiership, the Bruce Graham Shield, Kentwell Cup, Whiddon Cup, Judd Cup trophies among others.  Notable players have included Wallaby Ken Yanz.  Having been historically a Division One Club, Lane Cove seniors currently plays in New South Wales' Subbies' Division Five, while the thriving Lane Cove Juniors participate in the Gordon Juniors competition.

Constructores de Gómez Palacio: The Club de Fútbol Constructores de Gómez Palacio, commonly known as Constructores, is a Mexican football club based in Gómez Palacio.  The club was founded in 2014, and currently plays in the Serie B of Liga Premier.

Ibai Gómez: Ibai Gómez Pérez (born 11 November 1989), known simply as Ibai, is a Spanish professional footballer who plays for Deportivo Alavés mainly as a left winger.

Internacional de Toronto: Internacional de Toronto C.F. is a Canadian soccer club founded in 2014 and based in Toronto, Ontario.  The club plays in League1 Ontario, part of the third division of the Canadian soccer league system.  The club plays its home games out of Lamport Stadium and is currently coached by former Peruvian national team player Nolberto Solano.  The club's colors are orange and blue.

Rodrigo Ivan Gómez: Rodrigo Ivan Gómez Gómez (born March 24, 1981 in Montevideo), commonly known as Rodrigo Gómez, is a Uruguayan footballer who plays for Bolivian Club Deportivo San José as a defender.

Alejandro Darío Gómez: Alejandro Darío Gómez (born 15 February 1988), nicknamed "Papu", is an Argentine footballer who plays as a forward, winger or as an attacking midfielder for Italian club Atalanta.  He is a dynamic player who is renowned for his technical skills, high work-rate and powerful long range goals.  Gómez is a dual citizen of Argentina and Italy, having gained Italian citizenship on 14 May 2016, as his wife is an Italian citizen.

Mario Gómez: Mario Gómez García (] ; born 10 July 1985) is a German professional footballer who plays as a striker for Bundesliga club VfL Wolfsburg and the Germany national team.  Gómez joined Fiorentina after spending four seasons with Bayern Munich, which he joined after six years playing for VfB Stuttgart.  At the time the fee was a record for a player transferred in the Bundesliga, estimated to be €30–35 million.  The fee is currently the third highest, after former Bayern teammates Mario Götze and Javi Martínez, respectively.  When Stuttgart became champions in 2006–07, Gómez contributed 14 goals and 7 assists at age 21 and was selected as German Footballer of the Year.

West Coast FC: West Coast FC is an American soccer Club founded in 1997.  The Club is a member of the Southern California Developmental Soccer League and includes 50 boys and girls teams in total.  The West Coast FC Classic is a nationally ranked “Premier” tournament.  The Club has one of only 40 girls soccer programs throughout the United States selected to participate in the Elite Clubs National League.  Since 2009, Soccer America named the Club's Boys program as one of the top programs in the Nation.  The team plays its home games in the stadium on the campus of JSerra Catholic High School in the city of San Juan Capistrano, California, 55 miles southeast of downtown Los Angeles.  The club's colors are navy blue and white.

Deportivo Alavés: Deportivo Alavés, S.A.D. ] ; ("Sporting Alavés"), usually abbreviated to Alavés, is a Spanish football club based in Vitoria-Gasteiz, Álava, in the autonomous community of the Basque Country.  Founded in 23 June 1921 as Sport Fiend's Club, it plays in the highest football category of The Liga Nacional de Fútbol Profesional, La Liga, since the 2016–17 season.

Kobe Regatta &amp; Athletic Club: The Kobe Regatta & Athletic Club, was founded on September 23, 1870 by Alexander Cameron Sim, and is usually credited with being Japan's oldest sports club.  Certainly it is the oldest club founded and still running under its original name.  In 2015 the Club celebrates its 145th Anniversary with an Interport in September, at its home - Isogami Koen, in Kobe, against perrenial opponents YC&AC (see below).  The Club moved to a newly manufactured building at the end of 1870 and held its first-ever regatta on December 24, of that same year.  The Club and its members have been variously credited with introducing many sports to Japan, including Association Football, Field Hockey, Cricket, Rugby, the Crawl (swimming) and Ten-Pin bowling!  The first official football match in Japan is widely believed to have been held on February 18, 1888 between the KR&AC and its Yokohama counterpart, the Yokohama Country & Athletic Club.

Supporting paragraphs: Ibai Gómez Deportivo Alavés
Answer: 1921