CREATE TABLE table_20409 ("No." FLOAT, "Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Name the date of winning score being 67-67-63=197
SELECT "Date" FROM table_20409 WHERE "Winning score" = '67-67-63=197'
SELECT "Date" FROM "table_20409" WHERE "Winning score" = '67-67-63=197'