user: Question: what is the series when the team is GunBroker Racing?
Columns: ['Year', 'Series', 'Make', 'Driver', 'Team', 'Schedule', 'Role']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2013.0, 'NASCAR Camping World Truck Series', 'Toyota', 'Joey Coulter', 'Kyle Busch Motorsports', 'Limited', 'Primary Sponsor']
SQL:

assistant: SELECT "Series" FROM "Table" WHERE "Team" = 'GunBroker Racing';