Question: who did vance astro play in guardians of the galaxy
[{'answer': 'January 1969', 'provenance': [{'wikipedia_id': '2312277', 'title': 'Vance Astro', 'start_paragraph_id': 2, 'start_character': 24, 'end_paragraph_id': 2, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2312277', 'title': 'Vance Astro', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 152, 'bleu_score': 0.8266114125804571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1008072738145423629}, 'section': 'Section::::Abstract.'}]}]