What is the total enrollment for an affiliation of public, and was founded before 1866?
CREATE TABLE table_name_43 (enrollment VARCHAR, affiliation VARCHAR, founded VARCHAR)
SELECT COUNT(enrollment) FROM table_name_43 WHERE affiliation = "public" AND founded < 1866
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT COUNT(enrollment) FROM table_name_43 WHERE affiliation = "public" AND founded < 1866 </s>