Question: What Spanish football team has a midfielder named Hernan and is based in the Canary Islands?

full_context: Document 1: Fernando Torres: Fernando José Torres Sanz (] ; born 20 March 1984) is a Spanish professional footballer who plays as a striker for La Liga club Atlético Madrid and the Spain national team.
Document 2: Hernán Santana: Hernán Daniel Santana Trujillo (born 26 August 1990), simply known as Hernán, is a Spanish professional footballer who plays for UD Las Palmas as a midfielder.
Document 3: Canary Islands derby: The Canary Islands derby is the name given to football matches contesting Spanish sides UD Las Palmas and C.D. Tenerife, who are generally regarded as the top two sides in the Canary Islands. The Canary Islands derby is a match with a lot of rivalry and intensity that has always faced the islands of Gran Canaria and Tenerife and its inhabitants. According to World Soccer Magazine, the Canary Islands derby is on the list of the 50 greatest rivalries in the world and is considered one of the most important and spectacular derbies in Spain. Las Palmas have generally been more successful in derby matches.
Document 4: Sandra Hernández (footballer): Sandra Hernández Rodríguez (born 25 May 1997) is a Spanish professional footballer who currently plays as a midfielder for Valencia in the Spanish 1st Division.
Document 5: University of Las Palmas de Gran Canaria: The University of Las Palmas de Gran Canaria, also known as the ULPGC ("Spanish" Universidad de Las Palmas de Gran Canaria) is a Spanish university located in Las Palmas de Gran Canaria, the capital city of Gran Canaria island. It consists of five campuses: four in Gran Canaria (Tafira, Obelisco, San Cristóbal and Montaña Cardones) and one in the island of Lanzarote, with Tafira being the largest. The University was created in 1989 after many years of petitions from the people of Gran Canaria. The university was incorporated through the University Reorganization Act of 1989. ULPGC was created as the aggregation of the teaching centers of former "Universidad Politécnica de Canarias", focused on engineering (industrial, civil, electronics and computer), and the centers from neighboring Universidad de La Laguna that were located in Las Palmas province.
Document 6: 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 7: Sergio Ramos: Sergio Ramos García (] ; born 30 March 1986) is a Spanish professional footballer who plays for and captains both Real Madrid and the Spain national team. Primarily a central defender, he can also play as a right back.
Document 8: CD Leganés: Club Deportivo Leganés, S.A.D. is a Spanish football team from Leganés, in the Madrid outskirts. Founded on 26 June 1928 it currently plays in the Primera División, holding home games at "Estadio Municipal de Butarque", which seats 11,454 spectators.
Document 9: Universidad de Las Palmas CF B: Universidad de Las Palmas Club de Fútbol B were a Spanish football club, founded in 1998, located in Las Palmas de Gran Canaria. Due the first team dissolution, the reserve team was forced to dissolve. They were the reserve team of Universidad de Las Palmas CF.
Document 10: UD Las Palmas: Unión Deportiva Las Palmas, S.A.D. is a Spanish football team based in Las Palmas, in the autonomous community of Canary Islands. Founded on 22 August 1949, it plays in La Liga, holding home games at the Estadio Gran Canaria, with a capacity of 33,111 seats.
Document 11: Las Palmas: Las Palmas ( or , ] , ] ), officially Las Palmas de Gran Canaria, is a city and capital of Gran Canaria island, in the Canary Islands, on the Atlantic Ocean.
Document 12: Éver Banega: Éver Maximiliano David Banega (] ; born 29 June 1988) is an Argentine professional footballer who plays for Spanish club Sevilla FC and the Argentina national team as a central midfielder.
Document 13: Javier Hernández: Javier Hernández Balcázar (    ; born 1 June 1988) is a Mexican professional footballer who plays as a striker for English club West Ham United and the Mexico national team. Hernández is commonly known by his nickname, Chicharito (Mexican Spanish: "little pea"), which he wears on his shirt.
Document 14: UD Las Zocas: Unión Deportiva Las Zocas is a Spanish football team based in Las Zocas, San Miguel de Abona, in the autonomous community of the Canary Islands. Founded in 1986 it plays in Tercera División – Group 12, holding home games at "Estadio Juanito Marrero", with a capacity of 3,000 seats.
Document 15: Ander Herrera: Ander Herrera Agüera (] ; born 14 August 1989) is a Spanish professional footballer who plays as a midfielder for English club Manchester United and the Spain national team.
ground_truth: UD Las Palmas