The eventselectorsyntaxisa subsetof the W3CXPath (this is not a coincidenceas the CommonBaseeventspecificationdescribesevents in terms of their serializationasXMLdocuments).
That event propelled the movie into a box office hit, and the coincidence of a well-made fictional film with a real-life event with a very similar plot line led to a huge increase of public fears around the safety of nuclear power, and likely set the nuclear power industry back by decades.