Skyline High School ก่อตั้งในปีใด?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What year was Skyline High School founded?It is not neccessary to use all the tables.
 table_13759592_1:  (founded [ VARCHAR ] high_school [ VARCHAR) ]
SELECT COUNT(founded) FROM table_13759592_1 WHERE high_school = "Skyline"