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<http://webisa.webdatacommons.org/prov/162821414>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/139470142> .
<http://webisa.webdatacommons.org/139470142>	<http://www.w3.org/ns/prov#value>	"Principal Seth Johnson said the program was prompted by the Dec. 14 shooting at Sandy Hook Elementary School in Newtown, Conn., in which a gunman killed 26 people, including 20 young children." .
<http://webisa.webdatacommons.org/139470142>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<portlandtribune.com> .