CREATE TABLE office_locations (building_id DECIMAL, company_id DECIMAL, move_in_year DECIMAL)
CREATE TABLE companies (id DECIMAL, name TEXT, headquarters TEXT, industry TEXT, sales_billion DECIMAL, profits_billion DECIMAL, assets_billion DECIMAL, market_value_billion TEXT)
CREATE TABLE buildings (id DECIMAL, name TEXT, city TEXT, height DECIMAL, stories DECIMAL, status TEXT)

What is the stories of highest building?
SELECT stories FROM buildings ORDER BY height DESC LIMIT 1
SELECT "stories" FROM "buildings" ORDER BY "height" DESC NULLS LAST LIMIT 1