Question: how much does it cost to raise the costa concordia
[{'answer': '$2 billion', 'provenance': [{'wikipedia_id': '4624612', 'title': 'Costa Concordia', 'start_paragraph_id': 22, 'start_character': 319, 'end_paragraph_id': 22, 'end_character': 329, 'bleu_score': 1.0, 'section': 'Section::::Accidents and incidents.:2012 grounding and partial sinking.:Salvage.\n'}]}, {'provenance': [{'wikipedia_id': '4624612', 'title': 'Costa Concordia', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 605, 'bleu_score': 0.8836366516044881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1537706434760153331}, 'section': 'Section::::Accidents and incidents.:2012 grounding and partial sinking.:Salvage.\n'}]}]