Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_203_727 ( id number, "year" number, "miss northern ireland" text, "hometown" text, "placement at miss world" text, "notes" text )

### Question ###
how many contestants call belfast their hometown ?

### Accurate SQL ###

SELECT COUNT("miss northern ireland") FROM table_203_727 WHERE "hometown" = 'belfast'