user: Question: What is natural change with a crude death rate of 8.7 and less than 472 live births?
Columns: ['Average population', 'Live births', 'Deaths', 'Natural change', 'Crude birth rate (per 1000)', 'Crude death rate (per 1000)', 'Natural change (per 1000)']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['17 000', 448.0, 279.0, 169.0, 26.4, 16.4, 9.9]
SQL:

assistant: SELECT "Natural change" FROM "Table" WHERE "Crude death rate (per 1000)" = 8.7 AND "Live births" < 472.0;