Prince Albert Raiders ปรากฏตัวในปีใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the year of appearance for the Prince Albert Raiders?It is not neccessary to use all the tables.
 table_21893:  "Team" [ text]  "League" [ text]  "Wins" [ real]  "Fourth-Place*" [ real] 
SELECT "Years of appearance" FROM table_21893 WHERE "Team" = 'Prince Albert Raiders'