Table: us_congress_successors
Columns: district
vacator
reason_for_change
successor
date_successor_seated

Question: Who is every successor for the Washington 3rd District?
SQL: SELECT "successor" FROM us_congress_successors WHERE "district" = 'Washington 3rd'

Question: What is every reason for change for the Washington 3rd District?
SQL: SELECT "reason_for_change" FROM us_congress_successors WHERE "district" = 'Washington 3rd'

Question: Who is every vacator with reason for change as resigned December 31, 1959?
SQL: SELECT "vacator" FROM us_congress_successors WHERE "reason_for_change" = 'Resigned December 31, 1959'