Question: when did the wwe ruthless aggression era start
[{'answer': 'April 01 , 2002'}, {'provenance': [{'wikipedia_id': '5642540', 'title': 'History of WWE', 'start_paragraph_id': 49, 'start_character': 9, 'end_paragraph_id': 49, 'end_character': 1430, 'bleu_score': 0.9535671217414561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8005354967880768362}, 'section': 'Section::::World Wrestling Entertainment, Inc. (WWE).:2002–2008: Ruthless Aggression Era.\n'}]}]