Table: list of out of the unknown episodes
[['episode', 'title', 'story', 'adapted by', 'director', 'airdate', 'exists'], ['401', 'taste of evil', 'john wiles', 'n / a', 'michael ferguson', '21 april 1971', 'no'], ['402', 'to lay a ghost', 'michael j bird', 'n / a', 'ken hannam', '28 april 1971', 'yes'], ['403', 'this body is mine', 'john tully', 'n / a', 'eric hills', '5 may 1971', 'yes'], ['404', 'deathday', 'angus hall', 'brian hayles', 'raymond menmuir', '12 may 1971', 'yes'], ['405', 'the sons and daughters of tomorrow', 'edward boyd', 'n / a', 'gerald blake', '19 may 1971', 'no'], ['406', 'welcome home', 'moris farhi', 'n / a', 'eric hills', '26 may 1971', 'yes'], ['407', 'the last witness', 'martin worth', 'n / a', 'michael ferguson', '2 june 1971', 'no'], ['408', 'the man in my head', 'john wiles', 'n / a', 'peter cregeen', '9 june 1971', 'yes'], ['409', 'the chopper', 'nigel kneale', 'n / a', 'peter cregeen', '16 june 1971', 'no'], ['410', 'the uninvited', 'michael j bird', 'n / a', 'eric hills', '23 june 1971', 'no']]
Statement: there are more Story by Michael J Bird than by John Tully
Statement: Michael J Bird and John Wile have the same number of Story
Statement: Michael Ferguson and Peter Cregeen directed the same number Of Episode
Statement: The Episode by Gerald Blake is after The Episode by Raymond Menmuir
Statement: there were 4 Episode in June 1971