_:vb50968582	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindQA/orderdate> .
_:vb50968581	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50968583 .
_:vb50968581	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"71" .
_:vb50968581	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50968582 .
_:vb50968582	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"71" .
_:vb50968583	<http://www.w3.org/ns/r2rml#column>	"OrderDate" .
_:vb50968583	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"71" .