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_26 (age_groups VARCHAR, competition_name VARCHAR)

### Question ###
What are the age groups for the Big League World Series?

### Accurate SQL ###

SELECT age_groups FROM table_name_26 WHERE competition_name = "big league world series"