CREATE TABLE table_13388681_1 (to_par VARCHAR, country VARCHAR, winning_score VARCHAR)

What is the number of 'to par' in Mexico with a winning score of 67-67-69-70=273?
SELECT to_par FROM table_13388681_1 WHERE country = "Mexico" AND winning_score = 67 - 67 - 69 - 70 = 273
SELECT "to_par" FROM "table_13388681_1" WHERE "Mexico" = "country" AND "winning_score" = FALSE