CREATE TABLE table_43232 ("Family" TEXT, "Baltimore group" TEXT, "envelopment" TEXT, "Virion shape" TEXT, "Replication site" TEXT)

Which Baltimore group is of the retroviridae family?
SELECT "Baltimore group" FROM table_43232 WHERE "Family" = 'retroviridae'
SELECT "Baltimore group" FROM "table_43232" WHERE "Family" = 'retroviridae'