Question: the amount of salt in water is called
[{'answer': 'salinity', 'provenance': [{'wikipedia_id': '2101553', 'title': 'Saline water', 'start_paragraph_id': 1, 'start_character': 304, 'end_paragraph_id': 1, 'end_character': 312, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2101553', 'title': 'Saline water', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 926, 'bleu_score': 0.8089060135279671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2628239636176796141}, 'section': 'Section::::Abstract.'}]}]