Question: What is the TOTAL Time in Office with a rank smaller than 18, and premier is Joh Bjelke-Petersen?
SQL: SELECT "TOTAL Time in Office:" FROM "2-18728076-1" WHERE "Rank:" < 18.0 AND "Premier:" = 'Joh Bjelke-Petersen';

Question: What is the assumed Office date when the TOTAL Time in Office is 5years, 316days?
SQL: SELECT "Assumed Office:" FROM "2-18728076-1" WHERE "TOTAL Time in Office:" = '5years, 316days';