Question: who owns and operates the panama canal today
[{'answer': 'Panamanian government', 'provenance': [{'wikipedia_id': '24849', 'title': 'Panama Canal', 'start_paragraph_id': 3, 'start_character': 353, 'end_paragraph_id': 3, 'end_character': 374, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Panama Canal Authority', 'provenance': [{'wikipedia_id': '24849', 'title': 'Panama Canal', 'start_paragraph_id': 3, 'start_character': 431, 'end_paragraph_id': 3, 'end_character': 453, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Panama', 'provenance': [{'wikipedia_id': '24849', 'title': 'Panama Canal', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 6, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'in 1999 the canal was taken over by the Panamanian government and is now managed and operated by the government - owned Panama Canal Authority'}, {'provenance': [{'wikipedia_id': '24849', 'title': 'Panama Canal', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 453, 'bleu_score': 0.9357502588195491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12293856176497479900}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24849', 'title': 'Panama Canal', 'start_paragraph_id': 49, 'start_character': 0, 'end_paragraph_id': 49, 'end_character': 636, 'bleu_score': 0.9810405040225261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12293856176497479900}, 'section': 'Section::::History.:Later developments.\n'}]}, {'provenance': [{'wikipedia_id': '24849', 'title': 'Panama Canal', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['Colombia, France, and later the United States controlled the territory surrounding the canal during construction. The US continued to control the canal and surrounding Panama Canal Zone until the 1977 TorrijosCarter Treaties provided for handover to Panama. After a period of joint AmericanPanamanian control, in 1999, the canal was taken over by the Panamanian government. It is now managed and operated by the government-owned Panama Canal Authority', 'It is now managed and operated by the government-owned Panama Canal Authority.', 'After a period of joint AmericanPanamanian control, in 1999, the canal was taken over by the Panamanian government. It is now managed and operated by the government-owned Panama Canal Authority.']}}]}]