Question: Which Res has a Method of Decision (unanimous) and an Opponent of Wataru Sakata?
SQL: SELECT "Res." FROM "2-1131186-2" WHERE "Method" = 'Decision (unanimous)' AND "Opponent" = 'Wataru Sakata';

Question: Which Record has the Res of Win with the Event of Extreme Fighting 1?
SQL: SELECT "Record" FROM "2-1131186-2" WHERE "Res." = 'Win' AND "Event" = 'Extreme Fighting 1';