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_11479 ( "Date" text, "Tournament" text, "Winning score" text, "To par" text, "Margin of victory" text )

### Question ###
What is the margin of victory of the tournament on 15 Jul 2007?

### Accurate SQL ###

SELECT "Margin of victory" FROM table_11479 WHERE "Date" = '15 jul 2007'