Question: what are the names of the american pickers
[{'answer': 'Mike Wolfe', 'provenance': [{'wikipedia_id': '26029302', 'title': 'American Pickers', 'start_paragraph_id': 3, 'start_character': 49, 'end_paragraph_id': 3, 'end_character': 59, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'answer': 'Frank Fritz', 'provenance': [{'wikipedia_id': '26029302', 'title': 'American Pickers', 'start_paragraph_id': 3, 'start_character': 64, 'end_paragraph_id': 3, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'provenance': [{'wikipedia_id': '26029302', 'title': 'American Pickers', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 612, 'bleu_score': 0.685756969823281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14324072495078530447}, 'section': 'Section::::Overview.\n'}]}]