Funso (Chichewa): Kodi ndi zokolola ziti zomwe ali ndi mitengo yolembedwa m'maboma osachepera asanu?
Question (English): How many commodities have prices recorded in at least five districts?
Table: commodity_prices (difficulty: hard)
SQL: SELECT COUNT(*) FROM (SELECT commodity FROM commodity_prices GROUP BY commodity HAVING COUNT(DISTINCT district) >= 5);
Result: [(6,)]