user: ### NOW ANSWER:
Question: What is the highest population within the municipality of Porsgrunn?
Columns: ['City', 'Municipality', 'County', 'Town status', 'Population']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Alta', 'Alta', 'Finnmark', '1999', 17440.0]
SQL:

assistant: SELECT MAX("Population") FROM "Table" WHERE "Municipality" = 'Porsgrunn';