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_name_11 ( suburb_town VARCHAR, school VARCHAR, years VARCHAR, founded VARCHAR )

### Question ###
What suburb/town has school years of k-6, was founded before 1875, and has Ashfield Public School as its school?

### Accurate SQL ###

SELECT suburb_town FROM table_name_11 WHERE years = "k-6" AND founded < 1875 AND school = "ashfield public school"