Question: what sea is located south of the indus river valley
[{'answer': 'the Arabian Sea', 'provenance': [{'wikipedia_id': '15490', 'title': 'Indus River', 'start_paragraph_id': 1, 'start_character': 393, 'end_paragraph_id': 1, 'end_character': 408, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15490', 'title': 'Indus River', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 491, 'bleu_score': 0.8762204376763081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8595700286544750580}, 'section': 'Section::::Abstract.'}]}]