user: Question: When Peter Kox Roman Rusinov is the gt1 of the winning team how many lmp1 winning teams are there?
Columns: ['Rnd.', 'Circuit', 'LMP1 Winning Team', 'LMP2 Winning Team', 'GT1 Winning Team', 'GT2 Winning Team', 'Results']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Catalunya', 'No.007 AMR Eastern Europe', 'No.30 Racing Box', 'No.55 IPB Spartak Racing', 'No.77 Felbermayr-Proton', 'Results']
SQL:

assistant: SELECT COUNT("LMP1 Winning Team") FROM "Table" WHERE "GT1 Winning Team" = 'Peter Kox Roman Rusinov';