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_19160 ( "Year" real, "1st District" text, "2nd District" text, "3rd District" text, "4th District" text, "5th District" text )

### Question ###
What is the last year that Howard A. Wassum was in the 5th district?

### Accurate SQL ###

SELECT MAX("Year") FROM table_19160 WHERE "5th District" = 'Howard A. Wassum'