Baresi went on to win four more Serie A titles with Milan under Fabio Capello, including three consecutive titles in 1991–92 Serie A, 1992–93 Serie A and the 1993–94 Serie A seasons. Baresi helped Milan win the 1991–92 title undefeated, helping Milan to go unbeaten for an Italian record of 58 matches. Milan also scored a record 74 goals that season. During the 1993–94 season, Baresi helped Milan concede a mere 15 goals in Serie A, helping the club to finish the season with the best defence. Baresi also won three consecutive Supercoppa Italiana under Capello, in 1992 Supercoppa Italiana, 1993 Supercoppa Italiana and 1994 Supercoppa Italiana. Milan also reached three consecutive UEFA Champions League finals during the 1992–93 UEFA Champions League, 1993–94 UEFA Champions League and 1994–95 UEFA Champions League seasons, losing to Olympique Marseille in 1992–93 and AFC Ajax in 1994–95. Baresi won the third European Cup/UEFA Champions League of his career in 1993–94 when Milan defeated Johan Cruyffs FC Barcelona "Dream Team" 4–0 in 1994 UEFA Champions League Final. Baresi also managed to win the 1994 UEFA Super Cup, although Milan were defeated in the 1994 Intercontinental Cup, the 1993 UEFA Super Cup and the 1993 Intercontinental Cup. Under Capello, Milan and Baresi were able to capture another Serie A title during 1995–96 Serie A, Baresis sixth.

Based on the above article, answer a question. How many goals were scored against Milan during the 1993-1994 season?
15