Question: how many hospitals are there in the united states
[{'answer': '5,534 registered hospitals', 'provenance': [{'wikipedia_id': '27553159', 'title': 'Health care in the United States', 'start_paragraph_id': 29, 'start_character': 23, 'end_paragraph_id': 29, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Providers.:Facilities.\n'}]}, {'answer': '5,534', 'provenance': [{'wikipedia_id': '27553159', 'title': 'Health care in the United States', 'start_paragraph_id': 29, 'start_character': 23, 'end_paragraph_id': 29, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Providers.:Facilities.\n'}]}, {'provenance': [{'wikipedia_id': '27553159', 'title': 'Health care in the United States', 'start_paragraph_id': 29, 'start_character': 0, 'end_paragraph_id': 29, 'end_character': 572, 'bleu_score': 0.9483044717870771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11225189035402435322}, 'section': 'Section::::Providers.:Facilities.\n'}]}, {'provenance': [{'wikipedia_id': '27553159', 'title': 'Health care in the United States', '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': 11225189035402435322}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18994221', 'title': 'Hospital', 'section': 'Section::::History.:20th century and beyond.\n', 'start_paragraph_id': 61, 'end_paragraph_id': 61, 'meta': {'evidence_span': ['the number of US hospitals shrinking from 6,933 in 1981 to 5,534', 'This trend, however, has been reversed since then, with the rate of hospitalization falling by more than 10% and the number of US hospitals shrinking from 6,933 in 1981 to 5,534 in 2016.', "This trend, however, has been reversed since then, with the rate of hospitalization falling by more than 10% and the number of US hospitals shrinking from 6,933 in 1981 to 5,534 in 2016. Among the reasons for this are the increasing availability of more complex care elsewhere such as at home or at the physicians' offices and also the less therapeutic and more life-threatening image of the hospitals in the eyes of the public. Microhospitals, which range from eight beds to fifty, are expanding in the United States. Similarly, freestanding emergency rooms, which can handle emergencies and possibly transfer patients to hospitals, began to become popular in the 1970s and have since expanded rapidly across"]}}]}, {'provenance': [{'wikipedia_id': '27553159', 'title': 'Health care in the United States', 'section': 'Section::::Providers.:Facilities.\n', 'start_paragraph_id': 29, 'end_paragraph_id': 29, 'meta': {'evidence_span': ['As of 2018, there were 5,534 registered hospitals in the', 'As of 2018, there were 5,534 registered hospitals in the United States. There were 4,840 community hospitals, which are defined as nonfederal, short-term general, or specialty hospitals.', 'As of 2018, there were 5,534 registered hospitals in the United States. There were 4,840 community hospitals, which are defined as nonfederal, short-term general, or specialty hospitals. The non-profit hospitals share of total hospital capacity has remained relatively stable (about 70%) for decades. There are also privately owned for-profit hospitals as well as government hospitals in some locations, mainly owned by county and city governments. The Hill-Burton Act was passed in 1946, which provided federal funding for hospitals in exchange for treating poor patients. The largest hospital system in 2016 was HCA Healthcare; in 2019, Dignity Health and Catholic Health Initiatives merged into CommonSpirit Health to create the largest, spanning 21 states.']}}]}]