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_70 (caps INTEGER, club_province VARCHAR, date_of_birth__age_ VARCHAR)

### Question ###
Which Caps is the lowest one that has a Club/province of ospreys, and a Date of Birth (Age) of 19 september 1985?

### Accurate SQL ###

SELECT MIN(caps) FROM table_name_70 WHERE club_province = "ospreys" AND date_of_birth__age_ = "19 september 1985"