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

### Instruction:
What is the land area of Switzerland with a population density fewer than 188 km²?

### Inputs:
table_name: table, columns: ['Country', 'Population (July 2005 est.)', 'Land Area (km²)', '% of arable land (2005 est.)', 'Arable Land (km²)', 'Population Density (pop per km²)']

### Response:
SELECT AVG Land Area (km²) FROM table WHERE Country = switzerland AND Population Density (pop per km²) < 188