user: Question: How many round of 32 results are followed by Polidori ( ITA ) W 6-1, 3-6, 6-3 in the round of 16?
Columns: ['Athlete', 'Class', 'Event', 'Round of 32', 'Round of 16', 'Quarterfinals', 'Semifinals', 'Final/ Bronze medal match']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Monique de Beer', 'Open', 'Mixed Quad Singles', 'N/A', 'Norfolk ( GBR ) L 1-6, 1-6', 'Did not advance', 'Did not advance', 'Did not advance']
SQL:

assistant: SELECT COUNT("Round of 32") FROM "Table" WHERE "Round of 16" = 'Polidori ( ITA ) W 6-1, 3-6, 6-3';