Question: What is the name of the building that was the tallest from 1990–1997 in Frankfurt?
SQL: SELECT "Name" FROM "2-11328656-3" 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 "2-11328656-3" WHERE "Height (m)" < 122.0;

Question: How high was the highest building in feet in the city of Cologne?
SQL: SELECT MAX("Height (ft)") FROM "2-11328656-3" 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 "2-11328656-3" WHERE "City" = 'frankfurt' AND "Height (m)" = 257.0 AND "Floors" < 55.0;

Question: What is the height in meters for a building in Frankfurt that is 850 feet tall?
SQL: SELECT "Height (m)" FROM "2-11328656-3" WHERE "City" = 'Frankfurt' AND "Height (ft)" = 850.0;