SELECT date FROM table_name_7 WHERE winning_score = −6(69 - 69 - 73 - 71 = 282)
CREATE TABLE table_name_7 (date VARCHAR, winning_score VARCHAR)
คะแนนชนะคือเมื่อใด −6 (69-69-73-71=282)?
When was the winning score −6 (69-69-73-71=282)?