user: Question: How many times was Plan B 4th place?
Columns: ['Poll Year', 'Winner', 'Second', 'Third', 'Fourth', 'Fifth', 'Sixth', 'Seventh', 'Eighth', 'Ninth', 'Tenth']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Sound of 2003', '50 Cent', 'Electric Six', 'Yeah Yeah Yeahs', 'The Thrills', 'Dizzee Rascal', 'Interpol', 'Audio Bullys', 'Mario', 'The Datsuns', 'Sean Paul']
SQL:

assistant: SELECT COUNT("Winner") FROM "Table" WHERE "Fourth" = 'Plan B';