CREATE TABLE table_14419 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" FLOAT)

What event did he fight masato shiozawa?
SELECT "Event" FROM table_14419 WHERE "Opponent" = 'masato shiozawa'
SELECT "Event" FROM "table_14419" WHERE "Opponent" = 'masato shiozawa'