user: Question: On what date did Universitario win the Torneo Apertura round after 2003 at Estadio Alejandro Villanueva?
Columns: ['Season', 'Date', 'Score', 'Winner', 'Venue', 'Competition round']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1966.0, '5 November 1966', '3–2', 'Alianza Lima', 'Estadio Nacional', 'Descentralizado']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Venue" = 'Estadio Alejandro Villanueva' AND "Season" > 2003.0 AND "Competition round" = 'Torneo Apertura' AND "Winner" = 'Universitario';