CREATE TABLE table_203_610 (id NUMBER, "institution" CLOB, "location" CLOB, "nickname" CLOB, "founded" NUMBER, "historical affiliation" CLOB, "enrollment" NUMBER, "primary conference" CLOB)

what are the number of ivy league institutions ?
SELECT COUNT("institution") FROM table_203_610 WHERE "primary conference" = 'ivy league'
SELECT COUNT("institution") FROM "table_203_610" WHERE "primary conference" = 'ivy league'