CREATE TABLE table_50857 ("Internet Plan" TEXT, "Downstream" TEXT, "Upstream" TEXT, "Bandwidth Included" TEXT, "Price" TEXT)

What is Bandwidth Included, when Price is '50 EUR'?
SELECT "Bandwidth Included" FROM table_50857 WHERE "Price" = '50 eur'
SELECT "Bandwidth Included" FROM "table_50857" WHERE "Price" = '50 eur'