Question: Which American former professional boxer later stripped of the WBC title for facing Ali in an unapproved rematch did Randall Craig "Tex" Cobb take a win from?
{'answer': 'Leon Spinks', 'supporting_facts': [['Randall &quot;Tex&quot; Cobb', 0], ['Randall &quot;Tex&quot; Cobb', 3], ['Leon Spinks', 0], ['Leon Spinks', 2]]}