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_78 (turbo VARCHAR, model_number VARCHAR, l2_cache VARCHAR, release_date VARCHAR)

### Question ###
What turbo has a L2 cache of 4 × 256 kb, a release date of June 2013, and a Model number of core i7-4770s?

### Accurate SQL ###

SELECT turbo FROM table_name_78 WHERE l2_cache = "4 × 256 kb" AND release_date = "june 2013" AND model_number = "core i7-4770s"