CREATE TABLE table_66471 ("Rank:" FLOAT, "State:" TEXT, "Premier:" TEXT, "Party:" TEXT, "Assumed office:" TEXT, "Left office:" TEXT, "TOTAL Time in office:" TEXT)

What is the least rank for the premier that assumed office on 17 may 1919 and was in office for 7 years, 335 days?
SELECT MIN("Rank:") FROM table_66471 WHERE "TOTAL Time in office:" = '7 years, 335 days' AND "Assumed office:" = '17 may 1919'
SELECT MIN("Rank:") FROM "table_66471" WHERE "Assumed office:" = '17 may 1919' AND "TOTAL Time in office:" = '7 years, 335 days'