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_76 ( construction_completed VARCHAR, name VARCHAR )

### Question ###
What construction completed is named nelson tunnel/commodore waste rock?

### Accurate SQL ###

SELECT construction_completed FROM table_name_76 WHERE name = "nelson tunnel/commodore waste rock"