Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_66471 ( "Rank:" real, "State:" text, "Premier:" text, "Party:" text, "Assumed office:" text, "Left office:" text, "TOTAL Time in office:" text )

### 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?

### Accurate SQL ###

SELECT MIN("Rank:") FROM table_66471 WHERE "TOTAL Time in office:" = '7 years, 335 days' AND "Assumed office:" = '17 may 1919'