user: Question: Who was the GT2 winning team when the GT3 winning team was #1 PTG?
Columns: ['Rnd', 'Circuit', 'WSC Winning Team', 'GT1 Winning Team', 'GT2 Winning Team', 'GT3 Winning Team', 'Results']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Sebring', '#30 MOMO Doran Racing', '#4 Panoz Motorsports', '#66 Konrad Motorsport', '#10 PTG', 'Results']
SQL:

assistant: SELECT "GT2 Winning Team" FROM "Table" WHERE "GT3 Winning Team" = '#1 PTG';