Question: What was the birthday of the man who managed Tito Vilanova until June 2014?

full_context: Document 1: Xavi: Xavier "Xavi" Hernández Creus (] ] ; born 25 January 1980) is a Spanish professional footballer who plays as a central midfielder for Qatari club Al Sadd SC.
Document 2: Tito Vilanova: Francesc "Tito" Vilanova Bayó (17 September 1968 – 25 April 2014) was a Spanish professional football central midfielder and manager.
Document 3: Fran Villalba: Francisco 'Fran' José Villalba Rodrigo (born 11 May 1998) is a Spanish footballer who plays for Valencia CF Mestalla as a central midfielder.
Document 4: Andrés Iniesta: Andrés Iniesta Luján (] ; born 11 May 1984) is a Spanish professional footballer who plays as a central midfielder for FC Barcelona and the Spain national team. He serves as the captain for Barcelona.
Document 5: Enric Reyna: Enric Reyna i Martínez (Barcelona, 1940) is a builder from Barcelona, known to have been the 37th president of FC Barcelona on 12 February 2003, following the resignation of Joan Gaspart.
Document 6: 2008–09 FC Barcelona season: In 2008–09, Futbol Club Barcelona started a new era with a new manager, former player and Barcelona Atlètic coach Pep Guardiola, who led the team to the first treble in Spanish football history. After selling off high-profiled players such as Deco and Ronaldinho, Barcelona played scintillating football throughout the season, winning the Copa del Rey, La Liga and the UEFA Champions League. This Barcelona squad is considered as one of the best in history.
Document 7: Jasper Cillessen: Jacobus Antonius Peter "Jasper" Cillessen (] ; born 22 April 1989) is a Dutch professional footballer who plays as a goalkeeper for Spanish club FC Barcelona and the Netherlands national team.
Document 8: 2012–13 FC Barcelona season: The 2012–13 season was Futbol Club Barcelona's 113th in existence and the club's 82nd consecutive season in the top flight of Spanish football. The season marked the managerial debut of Tito Vilanova, who served as Pep Guardiola's longtime assistant. Vilanova assumed management of the club after Guardiola, who had managed Barcelona for the prior four seasons, declined to renew his contract.
Document 9: Luis Enrique (footballer): Luis Enrique Martínez García (] ; born 8 May 1970), known as Luis Enrique, is a Spanish former professional footballer, and a current manager.
Document 10: José Ramón de la Fuente: José Ramón de la Fuente (a native of Santa Cristina d’Aro) is a Spanish goalkeeper and goalkeeping coach. Mostly known for his coaching, he is the goalkeeper coach of FC Barcelona. He was appointed under manager Tito Vilanova for two years, until 30 June 2014, and has remained in his role through the managements of Tata Martino and Luis Enrique.
Document 11: 2001–02 FC Barcelona season: Futbol Club Barcelona's 2001–02 season was to be the last but one under the guidance of Joan Gaspart as president and the single season of management by Carles Rexach at Barcelona. It was also the first season after long-serving captain Josep Guardiola moved on from the club. Veteran players like Sergi Barjuán, Abelardo and the talismanic Rivaldo would play their final years at the club before a summer of change. The club attained a respectable fourth place in the league, 11 points below eventual winners Valencia, as well as reaching the semi-finals of the UEFA Champions League. Patrick Kluivert was the club's top scorer in all competitions, with 25 goals.
Document 12: Ernesto Valverde: Ernesto Valverde Tejedor (] ; born 9 February 1964) is a Spanish former footballer who played as a forward, and is the current manager of FC Barcelona.
Document 13: David de Gea: David de Gea Quintana (] ; born 7 November 1990) is a Spanish professional footballer who plays as a goalkeeper for English club Manchester United and the Spain national team. He has been hailed as one of the best goalkeepers in the world.
Document 14: Cesc Fàbregas: Francesc "Cesc" Fàbregas Soler (] ; born 4 May 1987) is a Spanish professional footballer who plays as a central midfielder for Premier League club Chelsea and the Spain national team.
Document 15: Pep Guardiola: Josep "Pep" Guardiola Sala (] ; born 18 January 1971) is a Spanish professional football coach and former player who is the current manager of Manchester City.
ground_truth: 17 September 1968