<http://schema.org/color>
"Oolong Gray Metallic"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.sewell.com/VehicleDetails/used-2014-Audi-S6-4.0T_%2F_Prestige_%2F_Driver_Assistance_%2F_20_Wheels-Houston-TX/2840175543>