user: Question: Which Baltimore group has a viron shape of icosahedral, replicates in the cytoplasm, is non-enveloped, and is from the Astroviridae family?
Columns: ['Family', 'Baltimore group', 'envelopment', 'Virion shape', 'Replication site']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Adenoviridae', 'Group I', 'non-enveloped', 'icosahedral', 'nucleus']
SQL:

assistant: SELECT "Baltimore group" FROM "Table" WHERE "Virion shape" = 'icosahedral' AND "envelopment" = 'non-enveloped' AND "Replication site" = 'cytoplasm' AND "Family" = 'Astroviridae';