Question: Which event was in Tokyo, Japan and had an opponent of Rumina Sato?
SQL: SELECT "Event" FROM "2-1486444-3" WHERE "Location" = 'Tokyo, Japan' AND "Opponent" = 'Rumina Sato';

Question: Which round was 2:30?
SQL: SELECT "Round" FROM "2-1486444-3" WHERE "Time" = '2:30';

Question: Which event had the opponent of Shinya Aoki and was at 4:56?
SQL: SELECT "Event" FROM "2-1486444-3" WHERE "Opponent" = 'Shinya Aoki' AND "Time" = '4:56';

Question: Which method did Pride Bushido 10 have ?
SQL: SELECT "Method" FROM "2-1486444-3" WHERE "Event" = 'Pride Bushido 10';