Question: when did google buy youtube and for how much
[{'answer': 'US $1.65 billion', 'provenance': [{'wikipedia_id': '14181749', 'title': 'History of YouTube', 'start_paragraph_id': 10, 'start_character': 87, 'end_paragraph_id': 10, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Purchase by Google (2006).\n'}]}, {'answer': 'November 13', 'provenance': [{'wikipedia_id': '14181749', 'title': 'History of YouTube', 'start_paragraph_id': 10, 'start_character': 136, 'end_paragraph_id': 10, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Purchase by Google (2006).\n'}]}, {'provenance': [{'wikipedia_id': '14181749', 'title': 'History of YouTube', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 482, 'bleu_score': 0.9166828618985081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6333701219407230590}, 'section': 'Section::::Purchase by Google (2006).\n'}]}]