user: Question: Which Pick # is the highest one that has a Name of lawrence sidbury, and a Round smaller than 4?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 24.0, 24.0, 'Peria Jerry', 'Defensive Tackle', 'Mississippi']
SQL:

assistant: SELECT MAX("Pick #") FROM "Table" WHERE "Name" = 'lawrence sidbury' AND "Round" < 4.0;