user: Question: What is the lowest round of bob caldwell, who has a pick greater than 7 and an overall larger than 162?
Columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 7.0, 7.0, 'Pat Richter', 'TE', 'Wisconsin']
SQL:

assistant: SELECT MIN("Round") FROM "Table" WHERE "Pick" > 7.0 AND "Name" = 'bob caldwell' AND "Overall" > 162.0;