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_1346118_2 (incumbent VARCHAR, candidates VARCHAR)
### Question:
Who was the incumbent when ran william b. oliver (d) unopposed?
### Answer:
SELECT incumbent FROM table_1346118_2 WHERE candidates = "William B. Oliver (D) Unopposed"