user: Question:  How much did Nina Carberry win? 
Columns: ['Position', 'Name', 'Rider', 'Age', 'Weight', 'Starting price', 'Distance', 'Prize money']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['1st', "Don't Push It", 'Tony McCoy', 10.0, '11-05', '10/1 JF', 'Winner by 5 lengths', '£521,052']
SQL:

assistant: SELECT "Prize money" FROM "Table" WHERE "Rider" = 'Nina Carberry';