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_13 ( baltimore_group VARCHAR, family VARCHAR, replication_site VARCHAR, virion_shape VARCHAR, envelopment VARCHAR )

### Question ###
Which Baltimore group has a viron shape of icosahedral, replicates in the cytoplasm, is non-enveloped, and is from the astroviridae family?

### Accurate SQL ###

SELECT baltimore_group FROM table_name_13 WHERE virion_shape = "icosahedral" AND envelopment = "non-enveloped" AND replication_site = "cytoplasm" AND family = "astroviridae"