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_321 ( id number, "sheriff" text, "start of term" number )

### Question ###
what is the total number of sheriffs that were in office in suffolk county between 1903 and 1957 ?

### Accurate SQL ###

SELECT COUNT("sheriff") FROM table_203_321 WHERE "start of term" >= 1903 AND "start of term" <= 1957