Rothesay Area KM 2 คืออะไร? ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the Area KM 2 of Rothesay?It is not neccessary to use all the tables.
 table_171236_2:  (area_km_2 [ VARCHAR ] official_name [ VARCHAR) ]
SELECT COUNT(area_km_2) FROM table_171236_2 WHERE official_name = "Rothesay"