Table: gibraltar_demographics
Columns: average_population
live_births
deaths
natural_change
crude_birth_rate_per_1000
crude_death_rate_per_1000
natural_change_per_1000

Question: What is the largest crude birth rate when natural change is 215 at a rate greater than 7.2?
SQL: SELECT MAX("crude_birth_rate_per_1000") FROM gibraltar_demographics WHERE "natural_change" = 215 AND "natural_change_per_1000" > 7.2

Question: What is natural change with a crude death rate of 8.7 and less than 472 live births?
SQL: SELECT "natural_change" FROM gibraltar_demographics WHERE "crude_death_rate_per_1000" = 8.7 AND "live_births" < 472