In what district was incumbent first elected in 1938? 
CREATE TABLE table_1342013_42 (district VARCHAR, first_elected VARCHAR)
SELECT district FROM table_1342013_42 WHERE first_elected = 1938
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1342013_42 (district VARCHAR, first_elected VARCHAR) Question: In what district was incumbent first elected in 1938?  [/INST] SELECT district FROM table_1342013_42 WHERE first_elected = 1938 </s>