user: Question: What was the place that had a main railway station of Banbury and a population bigger than 28672?
Columns: ['Place', 'Population', 'Ceremonial County', 'Main Railway station', 'Motorway junction']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Gerrards Cross / Chalfont St Peter', 19622.0, 'Buckinghamshire', 'Gerrards Cross', '1']
SQL:

assistant: SELECT "Place" FROM "Table" WHERE "Population" > 28672.0 AND "Main Railway station" = 'Banbury';