user: Question: What's the average round for the ot position from tulane college with an overall over 38?
Columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 8.0, 8.0, 'Ed Boell', 'QB', 'New York']
SQL:

assistant: SELECT AVG("Round") FROM "Table" WHERE "Position" = 'ot' AND "College" = 'tulane' AND "Overall" > 38.0;