Question: When was the date of appointment for St. Johnstone's manager? 
SQL: SELECT "Date of appointment" FROM "1-16075179-6" WHERE "Team" = 'St. Johnstone';

Question: Who was the outgoing manager for Aberdeen? 
SQL: SELECT "Outgoing manager" FROM "1-16075179-6" WHERE "Team" = 'Aberdeen';

Question: When was the date of appointment for the manager replacing Wim Jansen? 
SQL: SELECT "Date of appointment" FROM "1-16075179-6" WHERE "Outgoing manager" = 'Wim Jansen';