Question: During the 2007-08 Atlético Madrid season, the team signed the former Portuguese player who played mainly what position?
Sentence (from "2014 Supercopa de España"): The 2014 Supercopa de España was a two-legged football match-up played in August 2014 between the champions of 2013–14 La Liga, Atlético Madrid, and the winner of the 2013–14 Copa del Rey, Real Madrid.
Relevant evidence: No