user: Question: What is the highest round of Ed Smith, who had a pick higher than 261 and played Halfback?
Columns: ['Round', 'Pick', 'Player', 'Position', 'School/Club Team']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 7.0, 'Earl Girard', 'Halfback', 'Wisconsin']
SQL:

assistant: SELECT MAX("Round") FROM "Table" WHERE "Pick" < 261.0 AND "Position" = 'Halfback' AND "Player" = 'Ed Smith';