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_1358608_2 (group VARCHAR, weight__kg_ VARCHAR)

### Question ###
What group info is available for the 56.5 kg weight?

### Accurate SQL ###

SELECT group FROM table_1358608_2 WHERE weight__kg_ = "56.5"