What's the year of the first election of the district whose incumbent is Edwin E. Willis?
CREATE TABLE table_1341843_19 (first_elected VARCHAR, incumbent VARCHAR)
SELECT first_elected FROM table_1341843_19 WHERE incumbent = "Edwin E. Willis"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341843_19 (first_elected VARCHAR, incumbent VARCHAR) Question: What's the year of the first election of the district whose incumbent is Edwin E. Willis? [/INST] SELECT first_elected FROM table_1341843_19 WHERE incumbent = "Edwin E. Willis" </s>