user: Question: What is the highest Extras for farveez maharoof, with more than 4 wickets?
Columns: ['Name', 'Overs Bowled', 'Maidens', 'Runs Conceded', 'Wickets', 'Extras', 'E.R.']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Chaminda Vaas', 62.0, 3.0, 270.0, 5.0, 1.0, 4.35]
SQL:

assistant: SELECT MAX("Extras") FROM "Table" WHERE "Name" = 'farveez maharoof' AND "Wickets" > 4.0;