Question: what does the golden ball mean in the world cup
[{'answer': 'the best player', 'provenance': [{'wikipedia_id': '3482503', 'title': 'FIFA World Cup awards', 'start_paragraph_id': 14, 'start_character': 40, 'end_paragraph_id': 14, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Golden Ball.\n'}]}, {'provenance': [{'wikipedia_id': '3482503', 'title': 'FIFA World Cup awards', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 815, 'bleu_score': 0.9855586187885531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9548653795881525170}, 'section': 'Section::::Golden Ball.\n'}]}]