Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1342233_42 (first_elected INTEGER, district VARCHAR)
### Question:
When was the Tennessee 3 district incumbent first elected? 
### Answer:
SELECT MAX(first_elected) FROM table_1342233_42 WHERE district = "Tennessee 3"