CREATE TABLE table_57682 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT)

Which time has a Method of decision(majority), and an Opponent of keisuke yamada?
SELECT "Time" FROM table_57682 WHERE "Method" = 'decision(majority)' AND "Opponent" = 'keisuke yamada'
SELECT "Time" FROM "table_57682" WHERE "Method" = 'decision(majority)' AND "Opponent" = 'keisuke yamada'