CREATE TABLE table_name_66 (height__m_ VARCHAR, city VARCHAR, height__ft_ VARCHAR)

What is the height in meters for a building in Frankfurt that is 850 feet tall?
SELECT height__m_ FROM table_name_66 WHERE city = "frankfurt" AND height__ft_ = 850
SELECT "height__m_" FROM "table_name_66" WHERE "city" = "frankfurt" AND "height__ft_" = 850