CREATE TABLE table_7066 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Affiliation" TEXT, "Enrollment" FLOAT, "Team Nickname" TEXT, "Primary conference" TEXT)

What is the Enrollment at Whitman College Founded after 1859?
SELECT AVG("Enrollment") FROM table_7066 WHERE "Institution" = 'whitman college' AND "Founded" > '1859'
SELECT AVG("Enrollment") FROM "table_7066" WHERE "Founded" > '1859' AND "Institution" = 'whitman college'