CREATE TABLE table_name_91 (years_runner_up VARCHAR, runners_up VARCHAR, club VARCHAR)

What years runner-up is Birmingham city, with over 1 runners-up?
SELECT years_runner_up FROM table_name_91 WHERE runners_up > 1 AND club = "birmingham city"
SELECT "years_runner_up" FROM "table_name_91" WHERE "birmingham city" = "club" AND "runners_up" > 1