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

### Instruction:
how many verbs have the yo form as sienta?

### Inputs:
table_name: table, columns: ['Verbs', 'Yo', 'Tú', 'Vos (*)', 'Él / Ella / Usted', 'Nosotros / Nosotras', 'Vosotros / Vosotras', 'Ellos / Ellas / Ustedes']

### Response:
SELECT COUNT Verbs FROM table WHERE Yo = sienta