Question: what is the population of the tri-cities washington
[{'answer': '283,846', 'provenance': [{'wikipedia_id': '57632', 'title': 'Tri-Cities, Washington', 'start_paragraph_id': 2, 'start_character': 62, 'end_paragraph_id': 2, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'over 300,000', 'provenance': [{'wikipedia_id': '57632', 'title': 'Tri-Cities, Washington', 'start_paragraph_id': 2, 'start_character': 172, 'end_paragraph_id': 2, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '57632', 'title': 'Tri-Cities, Washington', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 183, 'bleu_score': 0.770895619208469, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 640263431906213385}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '57632', 'title': 'Tri-Cities, Washington', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['The official 2016 estimate of MSA population of Tri-Cities is 283,846. This is over a 12% increase from 2010. (2016 US MSA estimates) 2017 estimates now show Tri-Cities as over 300,000', 'The official 2016 estimate of MSA population of Tri-Cities is 283,846. This is over a 12% increase from 2010. (2016 US MSA estimates) 2017 estimates now show Tri-Cities as over 300,000. The combined population of the three major cities themselves was 193,567 at the 2010 Census. As of April 1, 2016, the Washington State Office of Financial Management, Forecasting Division estimates the cities as having a combined population of 217,430']}}]}]