Name the number of candidates for  samuel d. ingham
CREATE TABLE table_2668347_17 (candidates VARCHAR, incumbent VARCHAR)
SELECT COUNT(candidates) FROM table_2668347_17 WHERE incumbent = "Samuel D. Ingham"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2668347_17 (candidates VARCHAR, incumbent VARCHAR) Question: Name the number of candidates for  samuel d. ingham [/INST] SELECT COUNT(candidates) FROM table_2668347_17 WHERE incumbent = "Samuel D. Ingham" </s>