Question: who are the stars of how i met your mother
[{'answer': 'Josh Radnor', 'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 17, 'start_character': 13, 'end_paragraph_id': 17, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Ted Mosby.\n'}]}, {'answer': 'Cobie Smulders', 'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 21, 'start_character': 13, 'end_paragraph_id': 21, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Robin Scherbatsky.\n'}]}, {'answer': 'Neil Patrick Harris', 'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 13, 'start_character': 13, 'end_paragraph_id': 13, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Barney Stinson.\n'}]}, {'answer': 'Alyson Hannigan', 'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 25, 'start_character': 13, 'end_paragraph_id': 25, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Lily Aldrin.\n'}]}, {'answer': 'Jason Segel', 'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 28, 'start_character': 13, 'end_paragraph_id': 28, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Marshall Eriksen.\n'}]}, {'answer': 'Cristin Milioti', 'provenance': [{'wikipedia_id': '9181653', 'title': 'List of How I Met Your Mother characters', 'start_paragraph_id': 31, 'start_character': 13, 'end_paragraph_id': 31, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:The Mother (Tracy McConnell).\n'}]}, {'answer': 'Bob Saget ( voice , credited )'}]