ใครคือผู้ชนะหากรางวัล Mountain Classification มอบให้กับ Oscar Solis และรางวัล Team Classification ให้กับ EPM-Une?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Who were the winners if the Mountain Classification award was given to Oscar Solis and Team Classification was given to EPM-Une?It is not neccessary to use all the tables.
 table_28853064_15:  (winner [ VARCHAR ] mountains_classification [ VARCHAR ] team_classification [ VARCHAR) ]
SELECT winner FROM table_28853064_15 WHERE mountains_classification = "Oscar Solis" AND team_classification = "EPM-UNE"