K.Maro ได้ที่ 1 กี่สัปดาห์?ไม่จำเป็นต้องใช้ทุกโต๊ะ
How many weeks was K.Maro at #1?It is not neccessary to use all the tables.
 table_27441210_12:  (weeks_at__number1 [ INTEGER ] artist [ VARCHAR) ]
SELECT MAX(weeks_at__number1) FROM table_27441210_12 WHERE artist = "K.Maro"