JoÃ£o Barbosa เป็นผู้ชนะในกิจกรรมใด?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
João Barbosa was the winner of which event?It is not neccessary to use all the tables.
 table_name_93:  (event [ VARCHAR ] winner [ VARCHAR) ]
SELECT event FROM table_name_93 WHERE winner = "joão barbosa"