CREATE TABLE table_name_45 (date VARCHAR(255), winner VARCHAR(255), competition_round VARCHAR(255), venue VARCHAR(255), season VARCHAR(255))
On what date did Universitario win the Torneo Apertura round after 2003 at Estadio Alejandro Villanueva?
    
SQL: SELECT date FROM table_name_45 WHERE venue = "estadio alejandro villanueva" AND season > 2003 AND competition_round = "torneo apertura" AND winner = "universitario"