user: Question: What is the average overall of john ayres, who had a pick # greater than 4?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 2.0, 2.0, 'Bill Fralic', 'Guard', 'Pittsburgh']
SQL:

assistant: SELECT AVG("Overall") FROM "Table" WHERE "Name" = 'john ayres' AND "Pick #" > 4.0;