Table schema:
CREATE TABLE table_name_26 (year_built INTEGER, location VARCHAR, height__m_ VARCHAR)

Question: What is the earliest year that the building in sonnemannstraße/rückertstraße, ostend was built with a height larger than 185 meters?
SQL: SELECT MIN(year_built) FROM table_name_26 WHERE location = "sonnemannstraße/rückertstraße, ostend" AND height__m_ > 185