Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_63330 ( "Restaurant Name" text, "Original Name" text, "Location" text, "Chef" text, "Designer" text, "Still Open?" text )

### Question ###
What chef that has a location in Toronto, ON, that has n/a as the original name, and a Restaurant Name of Bagel World?

### Accurate SQL ###

SELECT "Chef" FROM table_63330 WHERE "Location" = 'toronto, on' AND "Original Name" = 'n/a' AND "Restaurant Name" = 'bagel world'