CREATE TABLE table_47485 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" CLOB, "Location" CLOB)

What is Opponent, when Location is 'Tokyo , Japan', when Method is 'Decision (unanimous)', and when Record is '4-1'?
SELECT "Opponent" FROM table_47485 WHERE "Location" = 'tokyo , japan' AND "Method" = 'decision (unanimous)' AND "Record" = '4-1'
SELECT "Opponent" FROM "table_47485" WHERE "Location" = 'tokyo , japan' AND "Method" = 'decision (unanimous)' AND "Record" = '4-1'