user: Question: Name the number of playoffs for 3rd Round
Columns: ['Year', 'Division', 'League', 'Reg. Season', 'Playoffs', 'Open Cup']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1994.0, 3.0, 'USISL', '3rd, Northeast', 'Divisional Semifinals', 'Did not enter']
SQL:

assistant: SELECT COUNT("Playoffs") FROM "Table" WHERE "Open Cup" = '3rd Round';