CREATE TABLE table_name_75 (original_us_tour_cast VARCHAR, original_broadway_cast VARCHAR)

What was the original US Tour cast when the original broadway was Kevin Chamberlin?
SELECT original_us_tour_cast FROM table_name_75 WHERE original_broadway_cast = "kevin chamberlin"
SELECT "original_us_tour_cast" FROM "table_name_75" WHERE "kevin chamberlin" = "original_broadway_cast"