When was the incumbent from the Virginia 10 district first elected? 
CREATE TABLE table_2668401_17 (first_elected VARCHAR, district VARCHAR)
SELECT first_elected FROM table_2668401_17 WHERE district = "Virginia 10"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2668401_17 (first_elected VARCHAR, district VARCHAR) Question: When was the incumbent from the Virginia 10 district first elected?  [/INST] SELECT first_elected FROM table_2668401_17 WHERE district = "Virginia 10" </s>