CREATE TABLE table_50907 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" TEXT, "Location" TEXT)

What was the event where justin robbins had a record of 9-4-1?
SELECT "Event" FROM table_50907 WHERE "Record" = '9-4-1'
SELECT "Event" FROM "table_50907" WHERE "Record" = '9-4-1'