What was the final score of the second leg of the UEFA Europa Conference League semi-final between Olympiacos and Aston Villa, and who emerged as the hero of the match for Olympiacos?

The final score of the second leg of the UEFA Europa Conference League semi-final between Olympiacos and Aston Villa was 2-0 in favor of Olympiacos. The hero of the match for Olympiacos was Ayoub El Kaabi, who scored both goals for his team in the 10th and 78th minutes of the game.