user: Question: How many contestants were there when the runner-up was Sérgio Abreu? 
Columns: ['Season', 'Winner', 'Runner-Up', 'Third Place', 'Contestants']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'Dado Dolabella', 'Danni Carlos', 'Carlinhos da Silva', 14.0]
SQL:

assistant: SELECT "Contestants" FROM "Table" WHERE "Runner-Up" = 'Sérgio Abreu';