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_21076286_2 ( broadcast_network VARCHAR, broadcast_scope VARCHAR )

### Question ###
Name the broadcast network for chiba prefecture

### Accurate SQL ###

SELECT broadcast_network FROM table_21076286_2 WHERE broadcast_scope = "Chiba Prefecture"