What is the number of gt1 winning team for rnd 5?
{'header': ['Rnd', 'Circuit', 'CA Winning Team', 'GT1 Winning Team', 'GT2 Winning Team', 'GT3 Winning Team', 'Results'], 'page_title': '', 'page_id': '', 'types': ['real', 'text', 'text', 'text', 'text', 'text', 'text'], 'id': '1-12146068-2', 'section_title': '', 'caption': '', 'rows': [['1', 'Daytona', '#30 Doran/ Moretti Racing', '#01 Rohr Motorsport', '#97 Konrad Motorsport', '#10 PTG', 'Results'], ['2', 'Homestead', '#16 Dyson Racing', '#4 Panoz - Visteon Racing', '#54 Bell Motorsports', '#1 PTG', 'Results'], ['2', 'Homestead', 'Butch Leitzinger James Weaver', 'Doc Bundy Andy Wallace', 'Andy Pilgrim Terry Borcheller Scott Newman', 'Marc Duez Ross Bentley', 'Results'], ['3', 'Mid-Ohio', '#20 Dyson Racing', '#4 Panoz - Visteon Racing', '#99 Schumacher Racing', '#10 PTG', 'Results'], ['3', 'Mid-Ohio', 'Dorsey Schroeder Elliott Forbes-Robinson', 'David Brabham Andy Wallace', 'Larry Schumacher Andy Pilgrim', 'Bill Auberlen Boris Said', 'Results'], ['4', 'Minneapolis', '#16 Dyson Racing', '#4 Panoz - Visteon Racing', '#6 PTG', '#10 PTG', 'Results'], ['4', 'Minneapolis', 'Butch Leitzinger James Weaver', "Doc Bundy Johnny O'Connell", 'Brian Simo Peter Cunningham', 'Mark Simo Ross Bentley', 'Results'], ['5', 'Watkins Glen', '#30 Doran/ Moretti Racing', '#38 Champion Motors', '#25 Alex Job Racing', '#22 Alex Job Racing', 'Results']], 'name': 'table_12146068_2'}