Question: how much did it cost to make avengers infonity war
[{'answer': '$316 -- 400 million'}, {'provenance': [{'wikipedia_id': '44240443', 'title': 'Avengers: Infinity War', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 821, 'bleu_score': 0.7031559167647891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11423449220621336462}, 'section': 'Section::::Abstract.'}]}]