<http://schema.org/address>
"7500 Accotink Park Road\t\t\t\t\tSpringfield,\tVA\t22150\tUnited States"^^<http://www.w3.org/2001/XMLSchema#string>
<http://vahomeschoolers.org/event/northern-virginia-not-back-to-school-picnic-at-lake-accotink/>