Name the candidates for l. mendel rivers
CREATE TABLE table_1341930_40 (candidates VARCHAR, incumbent VARCHAR)
SELECT COUNT(candidates) FROM table_1341930_40 WHERE incumbent = "L. Mendel Rivers"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341930_40 (candidates VARCHAR, incumbent VARCHAR) Question: Name the candidates for l. mendel rivers [/INST] SELECT COUNT(candidates) FROM table_1341930_40 WHERE incumbent = "L. Mendel Rivers" </s>