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 office_locations (building_id DECIMAL, company_id DECIMAL, move_in_year DECIMAL)
CREATE TABLE buildings (id DECIMAL, name TEXT, city TEXT, height DECIMAL, stories DECIMAL, status TEXT)

Show the name of the building that has the most company offices.
SELECT T2.name FROM office_locations AS T1 JOIN buildings AS T2 ON T1.building_id = T2.id JOIN companies AS T3 ON T1.company_id = T3.id GROUP BY T1.building_id ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T2"."name" FROM "office_locations" AS "T1" JOIN "buildings" AS "T2" ON "T1"."building_id" = "T2"."id" JOIN "companies" AS "T3" ON "T1"."company_id" = "T3"."id" GROUP BY "T1"."building_id" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1