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

### Instruction:
What is the sum of area with a population of 5,615 and number more than 6?

### Inputs:
table_name: table, columns: ['Number', 'Name of administrative unit', 'Telephone (052)', 'Area (km 2 )', 'Population (people)']

### Response:
SELECT SUM Area (km 2 ) FROM table WHERE Population (people) = 5,615 AND Number > 6