Question: who is the father of jacob and esau in the bible
[{'answer': 'Isaac', 'provenance': [{'wikipedia_id': '16534', 'title': 'Jacob and Esau', 'start_paragraph_id': 1, 'start_character': 95, 'end_paragraph_id': 1, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16534', 'title': 'Jacob and Esau', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 346, 'bleu_score': 0.7826862489487031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1882004338840337099}, 'section': 'Section::::Abstract.'}]}]