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

### Instruction:
What is the per capita income of the county with a median family income of $40,492?

### Inputs:
table_name: table, columns: ['County', 'Per capita income', 'Median household income', 'Median family income', 'Population', 'Number of households']

### Response:
SELECT Per capita income FROM table WHERE Median family income = $40,492