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_86 (name VARCHAR, opened VARCHAR, park VARCHAR)

### Question ###
What is the name of the rollercoaster that opened in 2004 in bobbejaanland?

### Accurate SQL ###

SELECT name FROM table_name_86 WHERE opened = "2004" AND park = "bobbejaanland"