CREATE TABLE "table1_12887260_1" (
  "franchise_or_game" text,
  "console" text,
  "main_developer" text,
  "main_genre" text,
  "first_release" real,
  "latest_release" real
);

Question: What consoles was Shenmue released on?
SQL: SELECT "console" FROM "table1_12887260_1" WHERE "franchise_or_game"='Shenmue';

Question: Which main developer made their first release in 1991 and created the Mega Drive/Genesis console?
SQL: SELECT "main_developer" FROM "table1_12887260_1" WHERE "first_release"=1991 AND "console"='Mega Drive/Genesis';