CREATE TABLE table_18563954_3 (reason_for_change VARCHAR, state__class_ VARCHAR)

How many different reasons are there for the change in Connecticut (3)?
SELECT COUNT(reason_for_change) FROM table_18563954_3 WHERE state__class_ = "Connecticut (3)"
SELECT COUNT("reason_for_change") FROM "table_18563954_3" WHERE "Connecticut (3)" = "state__class_"