CREATE TABLE table_28396 ("Institution" CLOB, "Location" CLOB, "Nickname" CLOB, "Founded" FLOAT, "Type" CLOB, "Enrollment" FLOAT, "Joined MAC" FLOAT)

What is the enrollment at delaware valley college?
SELECT MAX("Joined MAC") FROM table_28396 WHERE "Institution" = 'Delaware Valley College'
SELECT MAX("Joined MAC") FROM "table_28396" WHERE "Institution" = 'Delaware Valley College'