Table: fighter_results_31
Columns: res
record
opponent
method
event
round
location

Question: What event in guam did Tetsuji Kato win against patrick madayag?
SQL: SELECT "event" FROM fighter_results_31 WHERE "res" = 'win' AND "location" = 'guam' AND "opponent" = 'patrick madayag'

Question: What was the result of the fight when Tetsuji Kato's record was 19-9?
SQL: SELECT "res" FROM fighter_results_31 WHERE "record" = '19-9'