user: Question: What is the largest crude birth rate when natural change is 215 at a rate greater than 7.2?
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 MAX("Crude birth rate (per 1000)") FROM "Table" WHERE "Natural change" = 215.0 AND "Natural change (per 1000)" > 7.2;