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

### Instruction:
What was the sum of the population in 2010 for the division of japeri with an area of 82.9 squared km?

### Inputs:
table_name: table, columns: ['Administrative division', 'Area (km²)', 'Population 2000 Census', 'Population (2010 Census)', 'Population density 2010 (/km²)']

### Response:
SELECT SUM Population (2010 Census) FROM table WHERE Administrative division = japeri AND Area (km²) < 82.9