Question: who is the king and queen of the netherlands
[{'answer': 'King Willem - Alexander', 'provenance': [{'wikipedia_id': '102274', 'title': 'Queen Máxima of the Netherlands', 'start_paragraph_id': 1, 'start_character': 126, 'end_paragraph_id': 1, 'end_character': 148, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Queen Máxima of the Netherlands', 'provenance': [{'wikipedia_id': '102274', 'title': 'Queen Máxima of the Netherlands', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Queen Máxima of the Netherlands ( born Máxima Zorreguieta Cerruti ; 17 May 1971 )'}, {'provenance': [{'wikipedia_id': '102274', 'title': 'Queen Máxima of the Netherlands', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 147, 'bleu_score': 0.7063613428661071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9839873601306883691}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '102274', 'title': 'Queen Máxima of the Netherlands', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Queen Máxima of the Netherlands (born Máxima Zorreguieta Cerruti; 17 May 1971) is an Argentine-Dutch royal who is the wife of King Willem-Alexander. On 30 April 2013, she became the first queen consort of the Netherlands since Emma of Waldeck and Pyrmont (queen consort from 1879 to 1890) and the first Latin American-born queen consort in the history of the Netherlands.', 'Queen Máxima of the Netherlands (born Máxima Zorreguieta Cerruti; 17 May 1971) is an Argentine-Dutch royal who is the wife of King Willem-Alexander.', 'King Willem-Alexander']}}]}, {'provenance': [{'wikipedia_id': '100387', 'title': 'Prince Constantijn of the Netherlands', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Prince Constantijn of the Netherlands ("Constantijn Christof Frederik Aschwin"; born 11 October 1969) is the third and youngest son of the former Dutch queen, Beatrix, and her husband, Claus von Amsberg, and is the younger brother of the reigning Dutch king, Willem-Alexander. He is a member of the Dutch Royal House and currently fourth in the line of succession to the Dutch throne. Prince Constantijn was born on 11 October 1969 at (now the University Medical Center Utrecht) in Utrecht, following the births\rhighlight sentence(s) containing evidence, not only the answer', 'Prince Constantijn of the Netherlands ("Constantijn Christof Frederik Aschwin"; born 11 October 1969) is the third and youngest son of the former Dutch queen, Beatrix, and her husband, Claus von Amsberg, and is the younger brother of the reigning Dutch king, Willem-Alexander.', 'Willem-Alexander.']}}]}]