CREATE TABLE table_name_39 (event VARCHAR2, opponent VARCHAR2, res VARCHAR2, location VARCHAR2)

What event in guam did Tetsuji Kato win against patrick madayag?
SELECT event FROM table_name_39 WHERE res = "win" AND location = "guam" AND opponent = "patrick madayag"
SELECT "event" FROM "table_name_39" WHERE "guam" = "location" AND "opponent" = "patrick madayag" AND "res" = "win"