Question: how many points did wilt chamberlain score in his nba career
[{'answer': '31,419 points', 'provenance': [{'wikipedia_id': '9499622', 'title': 'List of career achievements by Wilt Chamberlain', 'start_paragraph_id': 2, 'start_character': 123, 'end_paragraph_id': 2, 'end_character': 136, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9499622', 'title': 'List of career achievements by Wilt Chamberlain', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 342, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5628457078423697898}, 'section': 'Section::::Abstract.'}]}]