Question: The 2014-15 Southampton F.C. season was the club's first season with Dutch manager Ronald Koeman, who replaced what Argentine former footballer who is the current manager of Premier League Club Tottenham Hotspur?
{'answer': 'Mauricio Roberto Pochettino', 'supporting_facts': [['2014–15 Southampton F.C. season', 1], ['Mauricio Pochettino', 0]]}