Who was the democratic incumbent in the Illinois 11 district who was re-elected? 
CREATE TABLE table_1341707_15 (incumbent VARCHAR, district VARCHAR, party VARCHAR, result VARCHAR)
SELECT incumbent FROM table_1341707_15 WHERE party = "Democratic" AND result = "Re-elected" AND district = "Illinois 11"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341707_15 (incumbent VARCHAR, district VARCHAR, party VARCHAR, result VARCHAR) Question: Who was the democratic incumbent in the Illinois 11 district who was re-elected?  [/INST] SELECT incumbent FROM table_1341707_15 WHERE party = "Democratic" AND result = "Re-elected" AND district = "Illinois 11" </s>