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

### Instruction:
In the Central region, what was the infiltration (km 3 /year)?

### Inputs:
table_name: table, columns: ['Region', 'Land area (km 2 )', 'Rainfall by depth (mm/year)', 'Rainfall by volume (km 3 /year)', 'Surface run off (km 3 /year)', 'Infiltration (km 3 /year)', 'Evapotranspiration (km 3 /year)']

### Response:
SELECT Infiltration (km 3 /year) FROM table WHERE Region = Central