Table:
text: Local government areas of Tasmania
LGAs
LGAs
Local_Government_Area Principal_town Land_Area_km² Population_2011_census Density Region
Break O`Day St Helens 3525.8 6194 1.8 North-east
Brighton Brighton 171.3 15460 90.3 Hobart
Central Coast Ulverstone 933.1 21355 22.9 North-west and west coast
Central Highlands Hamilton 7982.4 2262 0.3 Central
Circular Head Smithton 4897.7 7977 1.6 North-west and west coast
Burnie (City of) Burnie 611.0 19329 31.6 North-west and west coast
Clarence (City of) Rosny Park 378.0 51852 137.2 Hobart
Devonport (City of) Devonport 111.3 24615 221.2 North-west and west coast
Glenorchy (City of) Glenorchy 121.1 44656 368.8 Hobart
Hobart (City of) Hobart 77.9 48703 625.2 Hobart
Launceston (City of) Launceston 1413.6 64193 45.4 Launceston

Question: What is the population density of the Brighton Region (local governments of Tasmania)?