Question: when was the last indian head penny made
[{'answer': '1909', 'provenance': [{'wikipedia_id': '2221172', 'title': 'Indian Head cent', 'start_paragraph_id': 1, 'start_character': 148, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2221172', 'title': 'Indian Head cent', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 239, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9290866743206079486}, 'section': 'Section::::Abstract.'}]}]