Question: How much is the purse ( $ ) when the margin of victory is 1 stroke?
SQL: SELECT "Purse ( $ )" FROM "1-13388681-1" WHERE "Margin of victory" = '1 stroke';

Question: What is the number of "to par" in Mexico with a winning score of 67-67-69-70=273?
SQL: SELECT "To par" FROM "1-13388681-1" WHERE "Country" = 'Mexico' AND "Winning score" = '67-67-69-70=273';