Question: what is the name of the tower that replaced the twin towers
[{'answer': 'One World Trade Center', 'provenance': [{'wikipedia_id': '5002871', 'title': 'One World Trade Center', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '1 World Trade Center', 'provenance': [{'wikipedia_id': '5002871', 'title': 'One World Trade Center', 'start_paragraph_id': 1, 'start_character': 47, 'end_paragraph_id': 1, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '1 WTC', 'provenance': [{'wikipedia_id': '5002871', 'title': 'One World Trade Center', 'start_paragraph_id': 1, 'start_character': 69, 'end_paragraph_id': 1, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Freedom Tower', 'provenance': [{'wikipedia_id': '5002871', 'title': 'One World Trade Center', 'start_paragraph_id': 1, 'start_character': 79, 'end_paragraph_id': 1, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5002871', 'title': 'One World Trade Center', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 758, 'bleu_score': 0.8860210119967241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1080132603931020981}, 'section': 'Section::::Abstract.'}]}]