Table: tallest_buildings_germany_2
Columns: name
city
height_m
height_ft
floors
years_as_tallest

Question: What is the name of the building that was the tallest from 1990–1997 in Frankfurt?
SQL: SELECT "name" FROM tallest_buildings_germany_2 WHERE "city" = 'frankfurt' AND "years_as_tallest" = '1990–1997'

Question: For a height less than 122 meters, what is the greatest height in feet?
SQL: SELECT MAX("height_ft") FROM tallest_buildings_germany_2 WHERE "height_m" < 122

Question: How high was the highest building in feet in the city of cologne?
SQL: SELECT MAX("height_ft") FROM tallest_buildings_germany_2 WHERE "city" = 'cologne'

Question: What is the smallest height (ft) of a building in Frankfurt with a height (m) of 257 and less than 55 floors?
SQL: SELECT MIN("height_ft") FROM tallest_buildings_germany_2 WHERE "city" = 'frankfurt' AND "height_m" = 257 AND "floors" < 55

Question: What is the height in meters for a building in Frankfurt that is 850 feet tall?
SQL: SELECT "height_m" FROM tallest_buildings_germany_2 WHERE "city" = 'frankfurt' AND "height_ft" = 850