Question: who scored the first goal of fifa wc 2014
[{'answer': 'Marcelo', 'provenance': [{'wikipedia_id': '43032430', 'title': '2014 FIFA World Cup statistics', 'start_paragraph_id': 129, 'start_character': 12, 'end_paragraph_id': 129, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Goalscorers.\n'}]}]