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_1420954_1 (publication_dates VARCHAR, artist_s_ VARCHAR)
### Question:
timothy truman worked on what dates
### Answer:
SELECT publication_dates FROM table_1420954_1 WHERE artist_s_ = "Timothy Truman"