Question: who played trillian in hitchhiker's guide to the galaxy
[{'answer': 'Tricia Marie McMillan', 'provenance': [{'wikipedia_id': '168977', 'title': 'Trillian (character)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '168977', 'title': 'Trillian (character)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 534, 'bleu_score': 0.9776501033621461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10446905671593479706}, 'section': 'Section::::Abstract.'}]}]