Question: who voices marco from star vs the forces of evil
[{'answer': 'Adam McArthur', 'provenance': [{'wikipedia_id': '47900963', 'title': 'Adam McArthur', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47900963', 'title': 'Adam McArthur', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 471, 'bleu_score': 0.9751504244977051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16203823829555240711}, 'section': 'Section::::Abstract.'}]}]