SELECT Headquarters FROM Companies GROUP BY Headquarters HAVING COUNT(*)  >  2
Show the headquarters shared by more than two companies.
CREATE TABLE "buildings" (
"id" int,
"name" text,
"City" text,
"Height" int,
"Stories" int,
"Status" text,
PRIMARY KEY("id")
);
CREATE TABLE "Companies" (
"id" int,
"name" text,
"Headquarters" text,
"Industry" text,
"Sales_billion" real,
"Profits_billion" real,
"Assets_billion" real,
"Market_Value_billion" text,
PRIMARY KEY ("id")
);
CREATE TABLE "Office_locations" (
"building_id" int,
"company_id" int,
"move_in_year" int,
PRIMARY KEY ("building_id", "company_id"),
FOREIGN KEY ("building_id") REFERENCES "buildings"("id"),
FOREIGN KEY ("company_id") REFERENCES "Companies"("id")
);
INSERT INTO  "buildings" VALUES (1, "Torre KOI","Monterrey","220","67","under construction");
INSERT INTO  "Companies" VALUES ("1","JPMorgan Chase","USA","Banking","115.5","17.4","2117.6","182.2");
INSERT INTO  "Office_locations" VALUES (1,1,2021);