user: Question: During which round was the first Defensive End with an overall rank larger than 186 drafted?
Columns: ['Round', 'Overall', 'Player', 'Position', 'School/Club Team']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 5.0, 'Mack Mitchell', 'Defensive End', 'Houston']
SQL:

assistant: SELECT MIN("Round") FROM "Table" WHERE "Overall" > 186.0 AND "Position" = 'Defensive End';