Table:
text: 2010–11 Primeira Liga
Managerial changes
Managerial changes
Team Outgoing_head_coach Manner_of_departure Date_of_vacancy Position_in_table Incoming_head_coach Date_of_appointment
União de Leiria Lito Vidigal Sacked 7 July 2010 Off-season Pedro Caixinha 10 July 2010
Marítimo Mitchell van der Gaag Sacked 14 September 2010 15th Pedro Martins 14 September 2010
Naval 1º de Maio Victor Zvunka Sacked 27 September 2010 14th Rogério Gonçalves 6 October 2010
Académica Jorge Costa Resigned 21 December 2010 9th José Guilherme 27 December 2010
Naval 1º de Maio Rogério Gonçalves Sacked 19 December 2010 16th Carlos Mozer 30 December 2010
Portimonense Litos Sacked 28 December 2011 16th Carlos Azenha 29 December 2010
Académica José Guilherme Resigned 20 February 2011 13th Ulisses Morais 22 February 2011

Question: If the new head coach is Carlos Azenha what is the date of vacancy for Primeira Liga 2010-11?

Question: If the team is União de Leiria, what is the appointment date for Primeira Liga 2010-11?