user: Question: What is the poor law union for the Barnahely towland?
Columns: ['Townland', 'Area( acres )', 'Barony', 'Civil parish', 'Poor law union']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Adamstown', 436.0, 'Kerrycurrihy', 'Ballinaboy', 'Cork']
SQL:

assistant: SELECT "Poor law union" FROM "Table" WHERE "Townland" = 'Barnahely';