CREATE TABLE "timeline_of_tallest_buildings" (
  "name" text,
  "city" text,
  "height_m" real,
  "height_ft" real,
  "floors" real,
  "years_as_tallest" text
);

Question: What is the name of the building that was the tallest from 1990–1997 in Frankfurt?
SQL: SELECT "name" FROM "timeline_of_tallest_buildings" 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 "timeline_of_tallest_buildings" WHERE "height_m"<122;

Question: How high was the highest building in feet in the city of cologne?
SQL: SELECT MAX("height_ft") FROM "timeline_of_tallest_buildings" 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 "timeline_of_tallest_buildings" 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 "timeline_of_tallest_buildings" WHERE "city"='frankfurt' AND "height_ft"=850;