How many candidates represent the district of kenneth a. roberts?
CREATE TABLE table_1341897_3 (candidates VARCHAR, incumbent VARCHAR)
SELECT COUNT(candidates) FROM table_1341897_3 WHERE incumbent = "Kenneth A. Roberts"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341897_3 (candidates VARCHAR, incumbent VARCHAR) Question: How many candidates represent the district of kenneth a. roberts? [/INST] SELECT COUNT(candidates) FROM table_1341897_3 WHERE incumbent = "Kenneth A. Roberts" </s>