ลิมามีจำนวนเขตทั้งหมดเท่าไร ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
what is the total number of districts of lima ?It is not neccessary to use all the tables.
 table_204_739:  id [ number]  "districts" [ text]  "ubigeo" [ number]  "area\n(km2)" [ number]  "population" [ number]  "created" [ text]  "postal\ncode" [ number] 
SELECT COUNT("districts") FROM table_204_739