Which Operator has a Width of 2.65 m, and a Type designation of m5000?
CREATE TABLE "high_floor_versions" (
  "city" text,
  "operator" text,
  "type_designation" text,
  "number_of_vehicles" real,
  "width" text
);
SELECT "operator" FROM "high_floor_versions" WHERE "width"='2.65 m' AND "type_designation"='m5000';