Question: Major Ned H. Roberts (1866 Goffstown, N.H. -- 1948), was an American hunter, competition target shooter, gun writer & editor, ballistician and firearms experimenter, Roberts was a prolific contributor to sporting publications, including which United States-based monthly shooting and firearms interest publication, owned by the National Rifle Association (NRA)?
{'answer': 'American Rifleman', 'supporting_facts': [['Ned H. Roberts', 1], ['American Rifleman', 0]]}