Question: what type of film do polaroid cameras use
[{'answer': 'Instant film', 'provenance': [{'wikipedia_id': '943604', 'title': 'Instant film', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '943604', 'title': 'Instant film', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 346, 'bleu_score': 0.963949056609222, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13825364534416582740}, 'section': 'Section::::Abstract.'}]}]