To ask the Scottish Executive what costs it has incurred in connection with the provision of any advice and/or assistance to any witness or witnesses who have appeared, or are to appear, before the Holyrood Inquiry; what meetings have taken place during which such advice or assistance has been provided at which one or more of said witnesses have been present, and whether there has been an appointment, formal or informal, of any persons to co-ordinate the provision of such advice or assistance and, if so, who such persons are.