_:vb50791086	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/nfl/quarter> .
_:vb50791085	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50791086 .
_:vb50791087	<http://www.w3.org/ns/r2rml#datatype>	<http://www.w3.org/2001/XMLSchema#integer> .
_:vb50791085	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50791087 .
_:vb50791087	<http://www.w3.org/ns/r2rml#column>	"Quarter" .