_:vb50809440	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/nfl#istouchdown> .
_:vb50809439	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50809440 .
_:vb50809439	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/urn/nfl:mapping> .
_:vb50809441	<http://www.w3.org/ns/r2rml#column>	"IsTouchdown" .
_:vb50809439	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50809441 .
_:vb50809440	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/urn/nfl:mapping> .
_:vb50809441	<http://www.w3.org/ns/r2rml#datatype>	<http://www.w3.org/2001/XMLSchema#boolean> .
_:vb50809441	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/urn/nfl:mapping> .