CREATE TABLE table_name_60 (enrollment INT, founded VARCHAR, institution VARCHAR)

what is the least enrollment when founded after 1809 and the institution is university of michigan?
SELECT MIN(enrollment) FROM table_name_60 WHERE founded > 1809 AND institution = "university of michigan"
SELECT MIN("enrollment") FROM "table_name_60" WHERE "founded" > 1809 AND "institution" = "university of michigan"