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_88 ( year VARCHAR, result VARCHAR, category VARCHAR )

### Question ###
Which Year has a nominated outstanding actor in a musical?

### Accurate SQL ###

SELECT year FROM table_name_88 WHERE result = "nominated" AND category = "outstanding actor in a musical"