Question: For which team did Alex Guerrero, who currently runs his own brand management company for athletes including American football safety Tyrann Devine Mathieu, and a football offensive and defensive lineman sign for as an undrafted free agent in 2006?
{'answer': 'Kansas City Chiefs', 'supporting_facts': [['Alex Guerrero (American football)', 0], ['Alex Guerrero (American football)', 1], ['Alex Guerrero (American football)', 4], ['Alex Guerrero (American football)', 5], ['Tyrann Mathieu', 0]]}