_:vb50968504	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50968505 .
_:vb50968505	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindQA/lastname> .
_:vb50968504	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50968506 .
_:vb50968504	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"39" .
_:vb50968505	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"39" .
_:vb50968506	<http://www.w3.org/ns/r2rml#column>	"LastName" .
_:vb50968506	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"39" .