ระยะว่ายน้ำของ Daniela Ryf คือเท่าใด?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What was the duration of Daniela Ryf's swimming stage?It is not neccessary to use all the tables.
 table_17085947_32:  (swim__15km_ [ VARCHAR ] athlete [ VARCHAR) ]
SELECT swim__15km_ FROM table_17085947_32 WHERE athlete = "Daniela Ryf"