user: Question: In what round was a defensive tackle drafted with an overall pick smaller than 149?
Columns: ['Round', 'Overall', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 7.0, 'Terry Glenn', 'Wide receiver', 'Ohio State']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Position" = 'defensive tackle' AND "Overall" < 149.0;