Question: who were the two spies sent to jericho
[{'answer': 'Joshua', 'provenance': [{'wikipedia_id': '22181705', 'title': 'The Twelve Spies', 'start_paragraph_id': 3, 'start_character': 428, 'end_paragraph_id': 3, 'end_character': 434, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Caleb', 'provenance': [{'wikipedia_id': '22181705', 'title': 'The Twelve Spies', 'start_paragraph_id': 3, 'start_character': 439, 'end_paragraph_id': 3, 'end_character': 444, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22181705', 'title': 'The Twelve Spies', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 653, 'bleu_score': 0.983672097934538, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14406516768219670307}, 'section': 'Section::::Abstract.'}]}]