Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_10 (party VARCHAR, district VARCHAR, results VARCHAR, first_elected VARCHAR)

### Question ###
What is Party, when Results is "Re-Elected", when First Elected is greater than 1990, and when District is "Minnesota 4"?

### Accurate SQL ###

SELECT party FROM table_name_10 WHERE results = "re-elected" AND first_elected > 1990 AND district = "minnesota 4"