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_6 (incumbent VARCHAR, candidates VARCHAR)
### Question:
who is the the incumbent with candidates being jack z. anderson (r) unopposed
### Answer:
SELECT incumbent FROM table_1342233_6 WHERE candidates = "Jack Z. Anderson (R) Unopposed"