user: Question: What period(s) featured a Left inside linebacker?
Columns: ['Position', 'Player', 'Period', 'Teams', 'Consecutive starts', 'Playoffs', 'Total']
Types: ['text', 'text', 'text', 'text', 'real', 'real', 'real']
Sample row: ['Weakside linebacker', 'Derrick Brooks', '9/1/1996 – 12/28/2008', 'Tampa Bay', 208.0, 11.0, 219.0]
SQL:

assistant: SELECT "Period" FROM "Table" WHERE "Position" = 'Left inside linebacker';