Question: who gives global gender gap index ranking to the countries of the world
[{'answer': 'World Economic Forum', 'provenance': [{'wikipedia_id': '20299676', 'title': 'Global Gender Gap Report', 'start_paragraph_id': 1, 'start_character': 64, 'end_paragraph_id': 1, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20299676', 'title': 'Global Gender Gap Report', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 218, 'bleu_score': 0.8783650674919871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9746975990295576645}, 'section': 'Section::::Abstract.'}]}]