Question: what is the current population of the world 2018
[{'answer': '7.6 billion people'}, {'provenance': [{'wikipedia_id': '19017269', 'title': 'World population', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 170, 'bleu_score': 0.693549572572703, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7401779867679252078}, 'section': 'Section::::Abstract.'}]}]