สนามนิทรรศการจัดขึ้นวันไหน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
On what Date was the Venue at Exhibition Stadium?It is not neccessary to use all the tables.
 table_40260:  "Season" [ real]  "Date" [ text]  "Venue" [ text]  "City" [ text]  "Visitor" [ text]  "Score" [ text]  "Home" [ text]  "Attendance" [ real] 
SELECT "Date" FROM table_40260 WHERE "Venue" = 'exhibition stadium'