what is the name of the graemest guest of episode 1x03
{'header': ['Episode', 'First broadcast', 'Graemes guest', 'Jeremys guest', 'Votes (%)'], 'page_title': 'If I Ruled the World (game show)', 'section_title': 'Series 1', 'caption': 'Series 1', 'rows': [['1x01', '27 February 1998', 'Maria McErlane', 'Tony Hawks', '75–25'], ['1x02', '6 March 1998', 'Fred MacAulay', 'Rebecca Front', '56–44'], ['1x03', '13 March 1998', 'Greg Proops', 'Tim Brooke-Taylor', '52–48'], ['1x04', '20 March 1998', 'Gordon Kennedy', 'Pauline McLynn', '57–43'], ['1x05', '27 March 1998', 'Andy Hamilton', 'Richard Wilson', 'TBC']]}