Table:
text: Counties of Ireland
List of counties
List of counties
County Irish_name County_town Most_populous_city_town Province Region
Leitrim Liatroim (Contae Liatroma) Carrick-on-Shannon Carrick-on-Shannon Connacht Border – IE011
Limerick Luimneach (Contae Luimnigh) Limerick Limerick Munster Mid-West – IE023
Londonderry Doire (Contae Dhoire) Coleraine Derry Ulster Northern Ireland – UKN0
Longford An Longfort (Contae an Longfoirt) Longford Longford Leinster Midlands – IE012
Louth Lú (Contae Lú) Dundalk Drogheda Leinster Border – IE011
Mayo Maigh Eo (Contae Mhaigh Eo) Castlebar Castlebar Connacht West – IE013
Meath An Mhí (Contae na Mí) Navan (previously Trim ) Navan Leinster Mid-East – IE022
Monaghan Muineachán (Contae Mhuineacháin) Monaghan Monaghan Ulster Border – IE011
Offaly Uíbh Fhailí (Contae Uíbh Fhailí) Tullamore (formerly Philipstown Tullamore Leinster Midlands – IE012

Question: The county town of Castlebar has the most populous town in the counties of Ireland ?