Question: when did the iconic trump tower open its doors
[{'answer': '1983', 'provenance': [{'wikipedia_id': '1295216', 'title': 'Trump Tower', 'start_paragraph_id': 3, 'start_character': 145, 'end_paragraph_id': 3, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1295216', 'title': 'Trump Tower', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 497, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8442448303133036990}, 'section': 'Section::::Abstract.'}]}]