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_610 ( "Model number" text, "Printer ports" text, "Network ports" text, "Network protocols" text, "Firmware" text, "Notes" text )

### Question ###
What is the number of the model with three parallel printer ports?

### Accurate SQL ###

SELECT "Model number" FROM table_610 WHERE "Printer ports" = 'Three Parallel'