user: Question: Which position had fewer rounds than 3, and an overall of less than 48?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 21.0, 21.0, 'Reggie Nelson', 'Safety', 'Florida']
SQL:

assistant: SELECT "Position" FROM "Table" WHERE "Round" < 3.0 AND "Overall" < 48.0;