Question: when was the adventures of tom sawyer published
[{'answer': '1876', 'provenance': [{'wikipedia_id': '46379460', 'title': 'The Adventures of Tom Sawyer', 'start_paragraph_id': 1, 'start_character': 49, 'end_paragraph_id': 1, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46379460', 'title': 'The Adventures of Tom Sawyer', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 471, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2508341224531923451}, 'section': 'Section::::Publication.\n'}]}]