Who were the running candidates when Samuel Riker was the incumbent?
CREATE TABLE table_2668374_10 (candidates VARCHAR, incumbent VARCHAR)
SELECT candidates FROM table_2668374_10 WHERE incumbent = "Samuel Riker"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2668374_10 (candidates VARCHAR, incumbent VARCHAR) Question: Who were the running candidates when Samuel Riker was the incumbent? [/INST] SELECT candidates FROM table_2668374_10 WHERE incumbent = "Samuel Riker" </s>