CREATE TABLE table_47391 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the date of the match with a winning score of 7 (67-72-69-69=277)?
SELECT "Date" FROM table_47391 WHERE "Winning score" = '–7 (67-72-69-69=277)'
SELECT "Date" FROM "table_47391" WHERE "Winning score" = '–7 (67-72-69-69=277)'