1 องก์มีกี่องก์ ?ไม่จำเป็นต้องใช้ทุกโต๊ะ
how many number of 1 acts were there ?It is not neccessary to use all the tables.
 table_203_501:  id [ number]  "title" [ text]  "genre" [ text]  "sub\u00addivisions" [ text]  "libretto" [ text] 
SELECT COUNT(*) FROM table_203_501 WHERE "sub\u00addivisions" = '1 act'