user: ### NOW ANSWER:
Question: What is the maximum population size in the town of Glengallen?
Columns: ['Year', 'Population (Region total)', 'Population (Stanthorpe)', 'Population (Warwick)', 'Population (Allora)', 'Population (Glengallan)', 'Population (Rosenthal)']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1933.0, 25016.0, 6934.0, 6664.0, 2624.0, 6334.0, 2460.0]
SQL:

assistant: SELECT MAX("Population (Glengallan)") FROM "Table";