Question: What sport involves both CD Guadalajara and Copa del Rey?

Context paragraphs:
1911 Copa del Rey Final: The 1911 Copa del Rey Final was the 10th final of the Spanish cup competition, the Copa del Rey.  The final was played at Jolaseta Stadium in Getxo on 15 April 1911.  The match was won by Athletic de Bilbao, who beat CD Español 3–1.

1986–87 Copa del Rey: The 1986–87 Copa del Rey is the 85th staging of the Copa del Rey.  The winners of this year's Copa will qualify for the 1987–88 European Cup Winners' Cup.  The competition began on September 17, 1986, and concluded on June 27, 1987, with the final.

2011–12 Copa del Rey: The 2011–12 Copa del Rey was the 110th staging of the Copa del Rey.  The competition began on 31 August 2011 and ended on 25 May 2012 with the final, which was held at the Vicente Calderón Stadium in Madrid.  Entering the competition, the winners were assured of a place in the group stage of the 2012–13 UEFA Europa League.  Real Madrid were the defending champions, but were eliminated by Barcelona in the quarter-finals, who went on to win the title.

2012 Copa del Rey de Balonmano: The 2012 Copa del Rey de Balonmano was the 37th edition of the Copa del Rey de Balonmano.  It took place in the Palacio de los Deportes Infanta Cristina, in Torrevieja, Valencian Community, between 7 & 11 March 2012.  It was hosted by Liga ASOBAL, Torrevieja city council, Costa Blanca Tourism & Hotel La Laguna.  Torrevieja was the host team.  Torrevieja hosted Copa del Rey for second time from 2002.

2011–12 CD Guadalajara season: The 2011–2012 will be 64th in the clubs history.  It will also be their debut season in Segunda División, the second tier of Spanish football.  The club will compete in the Liga Adelante and Copa del Rey.

2015 Copa del Rey Final: The 2015 Copa del Rey Final was a football match on 30 May 2015 to decide the winner of the 2014–15 Copa del Rey, the 113th edition of the Copa del Rey, Spain's primary football cup.

2015 Supercopa de España: The 2015 Supercopa de España was a two-legged football match-up that was played in August 2015 between Athletic Bilbao, runners-up of the 2014–15 Copa del Rey, and Barcelona, the champions of 2014–15 La Liga and the 2014–15 Copa del Rey.  It was also a repetition of the 2015 Copa del Rey Final.

Copa del Rey de Hockey Patines: The Copa del Rey de Hockey Patines is an annual Spanish rink hockey competition which is contested by eight teams.  It held every year at a neutral venue.  The first eight teams in standings just to half-season take part in Copa del Rey.  The Copa del Rey's winners play in the next edition of CERS Cup.

1936 Copa del Presidente de la República Final: The 1936 Copa del Presidente de la República Final decided the winner of the 1936 Copa del Presidente de la República, the 36th staging of Spain's premier football cup, now known as the Copa del Rey.  The final was the last one before the tournament was cancelled due to the Spanish Civil War until 1939, and therefore the last one under the "Copa del Predidente de la República" name.

Lana Del Rey videography: American singer and occasional actress Lana Del Rey has appeared in three films as an actress, eighteen television shows, and three commercials, along with offering her talents to five films as singer.  Del Rey's first appearance was in the independent film "Poolside" (2010), which features Del Rey playing Lisa, a rich girl who spends her days smoking cigarettes by the pool.  She received top billing for the project.  Del Rey's next appearance was in a less-than-one-minute long short art film titled "Lana Del Rey" which was produced by Interview magazine and features noir-ish style and cinematic themes.  Del Rey's breakout appearance was in an Anthony Mandler directed film, which Del Rey wrote, titled "Tropico" (2013).  The film features Del Rey as a fictionalized version of Eve while also playing the Virgin Mary.  "Tropico" received positive reviews and was Del Rey's second film that gave her top billing.  Along with appearing in a handful of short films, Del Rey has appeared in 18 television shows and specials as herself along with appearing in campaign commercials for companies including Keds and H&M.

Supporting paragraphs: 2011–12 CD Guadalajara season 2011–12 Copa del Rey
Answer: football