Question: when is the tree lit at rockefeller center
[{'answer': 'late November or early December', 'provenance': [{'wikipedia_id': '3313445', 'title': 'Rockefeller Center Christmas Tree', 'start_paragraph_id': 1, 'start_character': 193, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3313445', 'title': 'Rockefeller Center Christmas Tree', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 602, 'bleu_score': 0.8514410718855481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12045977727102983700}, 'section': 'Section::::Abstract.'}]}]