CREATE TABLE table_43730 ("Internet Plan" TEXT, "Downstream" TEXT, "Upstream" TEXT, "Bandwidth Included" TEXT, "Price" TEXT)

What is the price of the internet provider that has an upstream rate of 256 kbit and a downstream rate of 512 kbit?
SELECT "Price" FROM table_43730 WHERE "Upstream" = '256 kbit' AND "Downstream" = '512 kbit'
SELECT "Price" FROM "table_43730" WHERE "Downstream" = '512 kbit' AND "Upstream" = '256 kbit'