เบลฟัสต์มีสนามกีฬากี่แห่ง ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
how many stadiums are located in belfast ?It is not neccessary to use all the tables.
 table_203_420:  id [ number]  "#" [ number]  "stadium" [ text]  "capacity" [ number]  "city" [ text] 
SELECT COUNT("stadium") FROM table_203_420 WHERE "city" = 'belfast'