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_
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: Considering the 2007/08 Football League Championship when Ian Holloway left Plymouth Argyle, what was his/her manner of departure?