จำนวนผู้ชมบริสเบนสูงสุดคือเท่าไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the highest number of Brisbane viewers?It is not neccessary to use all the tables.
 table_73648:  "WEEK" [ real]  "Sydney" [ real]  "Melbourne" [ real]  "Brisbane" [ real]  "Adelaide" [ real]  "Perth" [ real]  "TOTAL" [ real] 
SELECT MAX("Brisbane") FROM table_73648