question: Which country the director of film Warsaw Bridge is from?
context: Title: Warsaw Bridge
  Passage: Warsaw Bridge  is a 1990 feature film by Pere Portabella. It was written by Portabella and his frequent collaborator
  Carles Santos, who also wrote the score. It was Portabella's first film since 1977, and his first to be photographed entirely in color.
  Title: Pere Portabella
  Passage: Pere Portabella (born in 1927) is a Spanish politician, director, and producer. In 1977, he was elected Senator in Spain's first democratic elections and participated in the writing of the Spanish Constitution. As a filmmaker, his style is experimental, reaching new aspects of film language, often with a poetic tone and social content. Portabella is hailed as an essential figure in the political and cultural history of Spain.
answer: Spanish
citations: Pere Portabella Warsaw Bridge