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_43 ( enrollment VARCHAR, affiliation VARCHAR, founded VARCHAR )

### Question ###
What is the total enrollment for an affiliation of public, and was founded before 1866?

### Accurate SQL ###

SELECT COUNT(enrollment) FROM table_name_43 WHERE affiliation = "public" AND founded < 1866