Question: what is the percentage of salt in the ocean
[{'answer': '3.5 %', 'provenance': [{'wikipedia_id': '255244', 'title': 'Seawater', 'start_paragraph_id': 30, 'start_character': 80, 'end_paragraph_id': 30, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Human consumption.\n'}]}, {'provenance': [{'wikipedia_id': '255244', 'title': 'Seawater', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 992, 'bleu_score': 0.8176170293162721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10647644684786489730}, 'section': 'Section::::Abstract.'}]}]