Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT years FROM table_name_45 WHERE soap_opera = "un posto al sole" AND actor = "riccardo polizzy carbonelli"