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_1602620_1 ( term_ended VARCHAR, elected VARCHAR )

### Question ###
What year did the term end for those elected in 1990

### Accurate SQL ###

SELECT term_ended FROM table_1602620_1 WHERE elected = 1990