Table:
text: 2010–11 Nigeria Premier League
Managerial (head coach) changes
Managerial (head coach) changes
Team Outgoing_manager Manner_of_departure Date_of_vacancy Incoming_manager Date_of_appointment
Warri Wolves Lawrence Akpokona fired end of 2009-10 season Paul Aigbogun 2 September 2010
Kwara United Justin Tenger fired end of 2009-10 season Kadiri Ikhana 17 July 2010
Sunshine Stars Solomon Ogbeide fired Aug. 18 2010 Gbenga Ogunbote Aug. 18 2010
Gombe United Ben Duamlong Resigned Oct.8 2010 Bernard Ogbe Nov. 5 2010
Heartland Samson Siasia resigned to take Super Eagles job Dec. 1 2010 Lodewijk de Kruif Feb. 7 2011
Niger Tornadoes Ladan Bosso fired Nov. 26 2010 Samson Unuanel (interim) Nov. 26 2010
Crown F.C. Ganiyu Salami fired Jan. 22 2011 Oladunni Oyekale Jan. 22 2011

Question: How many managers left Sunshine Stars for the 2010/11 Nigeria Premier League season?

Question: How many new managers replaced managers who retired from the Nigeria Premier League in 2010/11?