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_91 ( years_runner_up VARCHAR, runners_up VARCHAR, club VARCHAR )

### Question ###
What years runner-up is Birmingham city, with over 1 runners-up?

### Accurate SQL ###

SELECT years_runner_up FROM table_name_91 WHERE runners_up > 1 AND club = "birmingham city"