CREATE TABLE table_name_6 (enrollment NUMBER, institution VARCHAR2, founded VARCHAR2)

What is the Enrollment at Whitman College Founded after 1859?
SELECT AVG(enrollment) FROM table_name_6 WHERE institution = "whitman college" AND founded > 1859
SELECT AVG("enrollment") FROM "table_name_6" WHERE "founded" > 1859 AND "institution" = "whitman college"