_:vb50791100	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50791102 .
_:vb50791102	<http://www.w3.org/ns/r2rml#datatype>	<http://www.w3.org/2001/XMLSchema#integer> .
_:vb50791100	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50791101 .
_:vb50791102	<http://www.w3.org/ns/r2rml#column>	"Down" .
_:vb50791101	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/nfl/down> .