CREATE TABLE table_name_45 (date VARCHAR2, winner VARCHAR2, competition_round VARCHAR2, venue VARCHAR2, season VARCHAR2)

On what date did Universitario win the Torneo Apertura round after 2003 at Estadio Alejandro Villanueva?
SELECT date FROM table_name_45 WHERE venue = "estadio alejandro villanueva" AND season > 2003 AND competition_round = "torneo apertura" AND winner = "universitario"
SELECT "date" FROM "table_name_45" WHERE "competition_round" = "torneo apertura" AND "estadio alejandro villanueva" = "venue" AND "season" > 2003 AND "universitario" = "winner"