Question: When was the Metallica: Escape from the Studio show?
SQL: SELECT "Date" FROM "2-10311801-2" WHERE "Event" = 'Metallica: Escape from the Studio';

Question: When is the Monsters of Rock show with 12 bands?
SQL: SELECT "Date" FROM "2-10311801-2" WHERE "Event" = 'Monsters of Rock' AND "Acts" = '12 bands';