CREATE TABLE "winners" (
  "year" real,
  "dates" text,
  "champion" text,
  "country" text,
  "winning_score" text,
  "to_par" text,
  "margin_of_victory" text,
  "purse" real,
  "winners_share" real
);

Question: How much is the purse ( $ ) when the margin of victory is 1 stroke?
SQL: SELECT "purse" FROM "winners" 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 "winners" WHERE "country"='Mexico' AND "winning_score"='67-67-69-70=273';