Question: what is the main use of the eiffel tower in modern times
[{'answer': 'visited paid monument', 'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'start_paragraph_id': 2, 'start_character': 308, 'end_paragraph_id': 2, 'end_character': 329, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'paid monument', 'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'start_paragraph_id': 2, 'start_character': 316, 'end_paragraph_id': 2, 'end_character': 329, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'start_paragraph_id': 74, 'start_character': 0, 'end_paragraph_id': 74, 'end_character': 271, 'bleu_score': 0.7982390672267231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4876344984873430773}, 'section': 'Section::::Tourism.:Popularity.\n'}]}, {'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4876344984873430773}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 383, 'bleu_score': 0.8965921584388571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4876344984873430773}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'section': 'Section::::Tourism.:Popularity.\n', 'start_paragraph_id': 74, 'end_paragraph_id': 74, 'meta': {'evidence_span': ['More than 250\xa0million people have visited the tower since it was completed in 1889. In 2015, there were 6.91\xa0million visitors. The tower is the most-visited paid monument', 'The tower is the most-visited paid monument in the world. An average of 25,000 people ascend the tower every day which can result in long queues.', 'More than 250\xa0million people have visited the tower since it was completed in 1889. In 2015, there were 6.91\xa0million visitors. The tower is the most-visited paid monument in the world. An average of 25,000 people ascend the tower every day which can result in long queues. The tower has two restaurants: on the first level, and , a gourmet restaurant with its own lift on the second level. This restaurant has one star in the Michelin Red Guide. It was run by the multi-Michelin star chef Alain Ducasse']}}]}, {'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['visited paid monument in the world; 6.91\xa0million people ascended it in 2015. The tower is tall, about the same height as an 81- building, and the tallest structure in Paris. Its base i', 'visited paid monument in the world; 6.91\xa0million people ascended it in 2015. The tower is tall, about the same height as an 81- building, and the tallest structure in Paris. Its base is square, measuring on each side.', 'visited paid monument in the world; 6.91\xa0million people ascended it in 2015. The tower is tall, about the same height as an 81- building, and the tallest structure in Paris. Its base is square, measuring on each side. During its construction, the Eiffel Tower surpassed the Washington Monument to become the tallest man-made structure in the world, a title it held for 41 years until the Chrysler Building in New York City was finished in 1930. It was the first structure to reach a height of 300 metres. Due to the addition of a broadcasting aerial at the top of the tower in 1957, it is now taller than the Chrysler Building by . Excluding transmitters, the Eiffel Tower is the second tallest free-standing structure in France after the Millau Viaduct.']}}]}, {'provenance': [{'wikipedia_id': '9232', 'title': 'Eiffel Tower', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['ower is the most-visited paid monument in the world; 6.91\xa0million people ascended it in 2015.', 'The Eiffel Tower is the most-visited paid monument in the world; 6.91\xa0million people ascended it in 2015.']}}]}]