Ex-Tottenham Hotspur boss Andre Villas-Boas has claimed Antonio Conte faces a ‘great challenge’ due to a lack of clarity in north London.The Portuguese, who led Spurs eight years ago, warns the Italian tactician that Spurs chairman Daniel Levy has an issue with Spurs coaches, with Mauricio Pochettino and Jose Mourinho serving as examples of these imperfections.Conte’s arrival excites the forgotten Harry Kane – Rio Ferdinand can’t wait to see the new TottenhamAnd Villas-Boas reckons this could create a complicated situation for new head coach Conte, despite his title-winning talents.”For Antonio, it will be a challenge, a great challenge. We have a Premier League-winning coach in Antonio, going to a club with the best stadium in England and the best training facilities in Europe or the world. But you always see that something is missing at Spurs.##NAJAVA_MECA_5957873##”Daniel has had a coach that took the club to a Champions League final in Mauricio Pochettino and one of the most successful coaches in the world coaching his team in Jose Mourinho.Spurs chairman Daniel Levy (©Robin Jones/Getty Images)”It’s up to him and Joe Lewis to decide what they want for the organisation.”But it’s a difficult organisation because of that lack of clarity, ” Villas-Boas concluded.Proven title-winning boss Conte arrives to steady the ship at trophy-less Tottenham