CREATE TABLE table_19187 ("Cast" TEXT, "1951  (  BBC  ) " TEXT, "1957  ( BBC ) " TEXT, "1968  ( BBC ) " TEXT, "1970  ( film ) " TEXT, "2000  (  Carlton Television  ) " TEXT)

Name the 1970 film when 1951 bbc is michael croudson
SELECT "1970 (film)" FROM table_19187 WHERE "1951 ( BBC )" = 'Michael Croudson'
SELECT "1970 (film)" FROM "table_19187" WHERE "1951 ( BBC )" = 'Michael Croudson'