How many directors did Episode #3 have
{'header': ['Series #', 'Episode #', 'Title', 'Directed by', 'Written by', 'Original air date'], 'page_title': '', 'page_id': '', 'types': ['real', 'real', 'text', 'text', 'text', 'text'], 'id': '1-165732-2', 'section_title': '', 'caption': '', 'rows': [['1', '1', '"Episode 1"', 'Charles McDougall', 'Russell T. Davies', '23 February 1999'], ['1', '2', '"Episode 2"', 'Charles McDougall', 'Russell T. Davies', '2 March 1999'], ['1', '3', '"Episode 3"', 'Charles McDougall', 'Russell T. Davies', '9 March 1999'], ['1', '4', '"Episode 4"', 'Charles McDougall', 'Russell T. Davies', '16 March 1999'], ['1', '5', '"Episode 5"', 'Sarah Harding', 'Russell T. Davies', '23 March 1999'], ['1', '6', '"Episode 6"', 'Sarah Harding', 'Russell T. Davies', '30 March 1999'], ['1', '7', '"Episode 7"', 'Sarah Harding', 'Russell T. Davies', '6 April 1999']], 'name': 'table_165732_2'}