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_13388681_1 ( purse___$__ VARCHAR, margin_of_victory VARCHAR )

### Question ###
How much is the purse ( $ ) when the margin of victory is 1 stroke?

### Accurate SQL ###

SELECT purse___$__ FROM table_13388681_1 WHERE margin_of_victory = "1 stroke"