CREATE TABLE medication (name VARCHAR, brand VARCHAR, code VARCHAR)
CREATE TABLE prescribes (medication VARCHAR)

Find the number of medications prescribed for each brand.
SELECT COUNT(*), T1.name FROM medication AS T1 JOIN prescribes AS T2 ON T1.code = T2.medication GROUP BY T1.brand
SELECT COUNT(*), "T1"."name" FROM "medication" AS "T1" JOIN "prescribes" AS "T2" ON "T1"."code" = "T2"."medication" GROUP BY "T1"."brand"