 What party was represented by incumbent Richard Coulter ? 
CREATE TABLE table_2668243_20 (party VARCHAR, incumbent VARCHAR)
SELECT party FROM table_2668243_20 WHERE incumbent = "Richard Coulter"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2668243_20 (party VARCHAR, incumbent VARCHAR) Question:  What party was represented by incumbent Richard Coulter ?  [/INST] SELECT party FROM table_2668243_20 WHERE incumbent = "Richard Coulter" </s>