Question: who was rebekah married to in the bible
[{'answer': 'Isaac', 'provenance': [{'wikipedia_id': '38203876', 'title': 'Rebecca', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38203876', 'title': 'Rebecca', 'start_paragraph_id': 1, 'start_character': 136, 'end_paragraph_id': 1, 'end_character': 547, 'bleu_score': 0.5788244452169571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5752417607026205032}, 'section': 'Section::::Abstract.'}]}]