user: Question: What is the number of "to par" in Mexico with a winning score of 67-67-69-70=273?
Columns: ['Year', 'Dates', 'Champion', 'Country', 'Winning score', 'To par', 'Margin of victory', 'Purse ( $ )', 'Winners share ($)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: [2012.0, 'Sep 20–23', 'Stacy Lewis', 'United States', '66-70-65-69=270', '–18', '2 strokes', 1300000.0, 195000.0]
SQL:

assistant: SELECT "To par" FROM "Table" WHERE "Country" = 'Mexico' AND "Winning score" = '67-67-69-70=273';