Who was everyone first elected when incumbent was John J. Hemphill?
CREATE TABLE table_1431467_4 (first_elected VARCHAR, incumbent VARCHAR)
SELECT first_elected FROM table_1431467_4 WHERE incumbent = "John J. Hemphill"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1431467_4 (first_elected VARCHAR, incumbent VARCHAR) Question: Who was everyone first elected when incumbent was John J. Hemphill? [/INST] SELECT first_elected FROM table_1431467_4 WHERE incumbent = "John J. Hemphill" </s>