CREATE TABLE table_73900 ("Institution" CLOB, "Location" CLOB, "Nickname" CLOB, "Founded" FLOAT, "Type" CLOB, "Enrollment" FLOAT, "Joined" CLOB)

which categories fit under the institution calvin college?
SELECT "Type" FROM table_73900 WHERE "Institution" = 'Calvin College'
SELECT "Type" FROM "table_73900" WHERE "Institution" = 'Calvin College'