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 ( to_par VARCHAR, country VARCHAR, winning_score VARCHAR )

### Question ###
What is the number of 'to par' in Mexico with a winning score of 67-67-69-70=273?

### Accurate SQL ###

SELECT to_par FROM table_13388681_1 WHERE country = "Mexico" AND winning_score = 67 - 67 - 69 - 70 = 273