Question: who designed the earth day flag in 1969
[{'answer': 'John McConnell', 'provenance': [{'wikipedia_id': '888727', 'title': 'Flag of Earth', 'start_paragraph_id': 2, 'start_character': 11, 'end_paragraph_id': 2, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '888727', 'title': 'Flag of Earth', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 552, 'bleu_score': 0.572567787150506, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6935623202001931126}, 'section': 'Section::::John McConnell\'s "Earth Day" flag.\n'}]}, {'provenance': [{'wikipedia_id': '888727', 'title': 'Flag of Earth', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['John McConnell\'s "Earth Day" flag.', 'John McConnell']}}]}]