Question: What is the least rank for the premier that assumed office on 17 May 1919 and was in office for 7 years, 335 days?
SQL: SELECT MIN("Rank:") FROM "2-18651728-2" WHERE "TOTAL Time in office:" = '7 years, 335 days' AND "Assumed office:" = '17 May 1919';

Question: Premier Sir Charles Cowper (1807-1875) KCMG left office 2 October 1856, when did he assume office?
SQL: SELECT "Assumed office:" FROM "2-18651728-2" WHERE "Premier:" = 'Sir Charles Cowper (1807-1875) KCMG' AND "Left office:" = '2 October 1856';

Question: What average rank of the premier has NSW as the state, Liberalism as the party, and 22 March 1877 was the assumed office?
SQL: SELECT AVG("Rank:") FROM "2-18651728-2" WHERE "State:" = 'NSW' AND "Party:" = 'Liberalism' AND "Assumed office:" = '22 March 1877';