Table:
text: 2007–08 Football League Championship
Managerial changes
Managerial changes
Team Outgoing_manager Manner_of_departure Date_of_vacancy Replaced_by Date_of_appointment Position_in_table_
Crystal Palace Peter Taylor Contract terminated 8 October 2007 Neil Warnock 11 October 2007 19th
Leicester City Martin Allen Mutual consent 29 August 2007 Gary Megson 13 September 2007 9th
Queens Park Rangers John Gregory Contract terminated 1 October 2007 Luigi De Canio 29 October 2007 24th
Norwich City Peter Grant Mutual consent 8 October 2007 Glenn Roeder 30 October 2007 22nd
Leicester City Gary Megson Mutual consent (hired by Bolton Wanderers) 24 October 2007 Ian Holloway 22 November 2007 19th
Burnley Steve Cotterill Mutual consent 8 November 2007 Owen Coyle 22 November 2007 15th

text: 2007–08 Football League Championship
Managerial changes
Managerial changes
Team Outgoing_manager Manner_of_departure Date_of_vacancy Replaced_by Date_of_appointment Position_in_table_
Preston North End Paul Simpson Contract terminated 13 November 2007 Alan Irvine 20 November 2007 21st
Plymouth Argyle Ian Holloway Resigned (hired by Leicester City) 21 November 2007 Paul Sturrock 27 November 2007 7th
Coventry City Iain Dowie Contract terminated 11 February 2008 Chris Coleman 19 February 2008 19th
Sheffield United Bryan Robson Mutual consent 14 February 2008 Kevin Blackwell 14 February 2008 16th
Queens Park Rangers Luigi De Canio Mutual consent 8 May 2008 Iain Dowie 14 May 2008 14th

Question: How many leadership changes were there in the 2007/08 Football League championship season?