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

### Instruction:
What is the Liberal Alliance that is backed by the Polling Firm, Capacent, and 13.0% of the Socialist People's Party?

### Inputs:
table_name: table, columns: ['Polling Firm', 'Date', 'Venstre (V)', 'Social Democrats (A)', "Danish People's Party (O)", "Socialist People's Party (F)", "Conservative People's Party (C)", 'Social Liberal Party (B)', 'Liberal Alliance (I)', 'Red-Green Alliance (Ø)', 'Christian Democrats (K)', 'Government', 'Opposition']

### Response:
SELECT Liberal Alliance (I) FROM table WHERE Polling Firm = capacent AND Socialist People's Party (F) = 13.0%