CREATE TABLE table_7849 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What day was the winning score 16 (67-70-69-66=272)?
SELECT "Date" FROM table_7849 WHERE "Winning score" = '–16 (67-70-69-66=272)'
SELECT "Date" FROM "table_7849" WHERE "Winning score" = '–16 (67-70-69-66=272)'