How many candidates won the election of john n. sandlin?
CREATE TABLE table_1342426_18 (candidates VARCHAR, incumbent VARCHAR)
SELECT COUNT(candidates) FROM table_1342426_18 WHERE incumbent = "John N. Sandlin"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1342426_18 (candidates VARCHAR, incumbent VARCHAR) Question: How many candidates won the election of john n. sandlin? [/INST] SELECT COUNT(candidates) FROM table_1342426_18 WHERE incumbent = "John N. Sandlin" </s>