user: Question: what is the round when the pick # is less than 236 and the position is Offensive Guard?
Columns: ['Round', 'Pick #', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [2.0, 5.0, 'Roscoe Parrish', 'Wide Receiver', 'Miami (Fla.)']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Pick #" < 236.0 AND "Position" = 'Offensive Guard';