Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_45 (years VARCHAR, soap_opera VARCHAR, actor VARCHAR)
### Question:
What are the years that have un posto al sole as the soap opera, with riccardo polizzy carbonelli as the actor?
### Answer:
SELECT years FROM table_name_45 WHERE soap_opera = "un posto al sole" AND actor = "riccardo polizzy carbonelli"