Question: Which  equestrian weekly magazine of the United Kingdom is Mark Phillips a columnist in 
Related documents: [0]  [DOC] Horse & Hound is the oldest equestrian weekly magazine of the United Kingdom. Its first edition was published in 1884. The magazine contains horse industry news, reports from equestrian events, veterinary advice about caring for horses, and horses for sale. Fox hunting has always been an important topic for the magazine, as are the sports of eventing, dressage, show jumping, horse racing, showing, carriage driving and endurance riding. The magazine includes commentaries from top riders and trainers including event rider William Fox-Pitt, top eventing trainer Captain Mark Phillips, top show jumper William Funnell and Olympic dressage rider and trainer Carl Hester, among others. Its current Content Director is Sarah Jenkins, who replaced the magazine's first female editor, Lucy Higginson, in July 2014. [END] 
[1]  [DOC] Captain Mark Anthony Peter Phillips {'1': ", '2': ", '3': ", '4': "} (born 22 September 1948) is an English Olympic gold-medal-winning horseman for Great Britain and former husband of Anne, Princess Royal, with whom he has two children. He remains a leading figure in British equestrian circles, a noted eventing course designer, and a columnist in "Horse & Hound" magazine. [END] 
Answer: 
Horse & Hound
Horse & Hound