Who is the incumbent in the Washington 1 district? 
CREATE TABLE table_1805191_48 (incumbent VARCHAR, district VARCHAR)
SELECT incumbent FROM table_1805191_48 WHERE district = "Washington 1"
### Context: CREATE TABLE table_1805191_48 (incumbent VARCHAR, district VARCHAR) ### Question: Who is the incumbent in the Washington 1 district?  ### Answer: SELECT incumbent FROM table_1805191_48 WHERE district = "Washington 1"