_:vb50809609	<http://www.w3.org/ns/r2rml#column>	"IsFumble" .
_:vb50809608	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/nfl#isfumble> .
_:vb50809607	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50809609 .
_:vb50809607	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50809608 .
_:vb50809609	<http://www.w3.org/ns/r2rml#datatype>	<http://www.w3.org/2001/XMLSchema#boolean> .