user: Question: How many in the majority when dan sullivan won?
Columns: ['Electorate', 'Incumbent', 'Winner', 'Majority', 'Runner up']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Auckland Central', 'Bill Parry', 'Bill Parry', 6181.0, 'C R Dodd']
SQL:

assistant: SELECT "Majority" FROM "Table" WHERE "Winner" = 'dan sullivan';