Question: what is the weight of fifa world cup 2018
[{'answer': '6.1 kilograms', 'provenance': [{'wikipedia_id': '16383', 'title': 'FIFA World Cup Trophy', 'start_paragraph_id': 3, 'start_character': 185, 'end_paragraph_id': 3, 'end_character': 198, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16383', 'title': 'FIFA World Cup Trophy', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 398, 'bleu_score': 0.9055222888620551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14829109168601714269}, 'section': 'Section::::Abstract.'}]}]