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_51 (year INTEGER, nominated_work VARCHAR, category VARCHAR)

### Question ###
What is the total number of years in which Eiza González had a nominated work in the category of solista favorito?

### Accurate SQL ###

SELECT SUM(year) FROM table_name_51 WHERE nominated_work = "eiza gonzález" AND category = "solista favorito"