Question: Margot Sanger-Katz is an American health care journalist who currently works for which organization, prior to joining the Times, she worked for "National Journal" and the "Concord Monitor"?
Sentence (from "Concord Monitor"): It also covers surrounding towns in Merrimack, most of Belknap county, as well as portions of Grafton, Rockingham and Hillsborough counties.
Relevant evidence: No