_:vb51110748	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/urn/cwd:r2rml:physical> .
_:vb51110748	<https://ontology.data.world/v0#queryBase>	<http://demo.openlinksw.com/acme-insurance/> .
_:vb51110748	<http://www.w3.org/ns/r2rml#sqlQuery>	"SELECT \n                                                policy.policy_identifier, \n                                                party_identifier\n                                             FROM demo.acme.agreement_party_role\n                                             JOIN demo.acme.policy ON agreement_party_role.agreement_identifier = policy.policy_identifier\n                                             WHERE agreement_party_role.party_role_code = 'AG'" .