Question: how much money did the film titanic make
[{'answer': '$2.187 billion', 'provenance': [{'wikipedia_id': '52371', 'title': 'Titanic (1997 film)', 'start_paragraph_id': 93, 'start_character': 164, 'end_paragraph_id': 93, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Release.:Box office.\n'}]}, {'answer': '$2.18 billion', 'provenance': [{'wikipedia_id': '52371', 'title': 'Titanic (1997 film)', 'start_paragraph_id': 3, 'start_character': 729, 'end_paragraph_id': 3, 'end_character': 742, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52371', 'title': 'Titanic (1997 film)', 'start_paragraph_id': 93, 'start_character': 0, 'end_paragraph_id': 93, 'end_character': 881, 'bleu_score': 0.933314467855142, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 911611769605308811}, 'section': 'Section::::Release.:Box office.\n'}]}, {'provenance': [{'wikipedia_id': '52371', 'title': 'Titanic (1997 film)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 967, 'bleu_score': 0.928401811195489, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 911611769605308811}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52371', 'title': 'Titanic (1997 film)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ["pushing the film's worldwide total to $2.18 billion", 'With an initial worldwide gross of over $1.84 billion, "Titanic" was the first film to reach the billion-dollar mark, and became the highest-grossing film ever at the time, until Cameron\'s "Avatar" surpassed it in 2010. A 3D version of "Titanic," released on April 4, 2012, to commemorate the centennial of the sinking, earned it an additional $343.6 million worldwide, pushing the film\'s worldwide total to $2.18 billion and making it the second film to gross more than $2 billion worldwide (after "Avatar").', 'A 3D version of "Titanic," released on April 4, 2012, to commemorate the centennial of the sinking, earned it an additional $343.6 million worldwide, pushing the film\'s worldwide total to $2.18 billion and making it the second film to gross more than $2 billion worldwide (after "Avatar"). In 2017, the film was re-released for its 20th anniversary and was selected for preservation in the United States National Film Registry.']}}]}]