user: Question: What defending forces have a population of 650?
Columns: ['Name', 'Date', 'Defending forces', 'Brigade', 'Population']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Al-Ashrafiyya', '10 May 1948', 'villagers fled', 'Golani brigade', '230']
SQL:

assistant: SELECT "Defending forces" FROM "Table" WHERE "Population" = '650';