Question: who wrote i didn't know my own strength lyrics
[{'answer': 'Houston', 'provenance': [{'wikipedia_id': '23515452', 'title': "I Didn't Know My Own Strength (Whitney Houston song)", 'start_paragraph_id': 0, 'start_character': 39, 'end_paragraph_id': 0, 'end_character': 46, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Diane Warren', 'provenance': [{'wikipedia_id': '23515452', 'title': "I Didn't Know My Own Strength (Whitney Houston song)", 'start_paragraph_id': 2, 'start_character': 55, 'end_paragraph_id': 2, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23515452', 'title': "I Didn't Know My Own Strength (Whitney Houston song)", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 428, 'bleu_score': 0.9738505480425671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16166555596536758859}, 'section': 'Section::::Abstract.'}]}]