Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
WHat is the number of Population has a Density of 50.09 and a Rank larger than 30?

### Inputs:
table_name: table, columns: ['Rank', 'Province', 'Population', 'Area', 'Density']

### Response:
SELECT SUM Population FROM table WHERE Density = 50.09 AND Rank > 30