SELECT MIN(year) FROM table_name_25 WHERE winner = "matthew king" AND score > 270
CREATE TABLE table_name_25 (year INTEGER, winner VARCHAR, score VARCHAR)
ปีแรกสุดที่ผู้ชนะคือ Matthew King คือปีใด และในปีใดที่มีคะแนนสูงกว่า 270
What was the earliest year during which the winner was Matthew King, and during which the score was higher than 270?