Table:
text: 1998–99 Scottish Premier League
Managerial changes
Managerial changes
Team Outgoing_manager Manner_of_departure Date_of_vacancy Replaced_by Date_of_appointment
Rangers Walter Smith Resigned May 1998 Dick Advocaat June 1998
Celtic Wim Jansen Resigned May 1998 Jozef Vengloš June 1998
Dundee United Tommy McLean Mutual consent 4 September 1998 Paul Sturrock 5 September 1998
St. Johnstone Paul Sturrock Resigned 5 September 1998 Sandy Clark 7 September 1998
Motherwell Harri Kampman Resigned 15 October 1998 Billy Davies 15 October 1998
Aberdeen Alex Miller Sacked 8 December 1998 Paul Hegarty (Caretaker) 8 December 1998
Dunfermline Athletic Bert Paton Resigned 5 January 1999 Dick Campbell (Caretaker) 5 January 1999

Question: What is the date of Aberdeen team vacancy in Scottish Premier League 1998-99?

Question: How was Motherwell's start into the Scottish Premier League in 1998/99?

Question: What is the appointment date for the team with a resigned exit and replaced by Sandy Clark in the 1998-99 Scottish Premiership?

Question: What sort of exit replaced Dick Advocaat in the Scottish Premiership in 1998-99?