CREATE TABLE table_39892 ("Channel" TEXT, "Country" TEXT, "Type" TEXT, "Launched" TEXT, "Description" TEXT)

What is the Country with a Launched that is april 3, 1990?
SELECT "Country" FROM table_39892 WHERE "Launched" = 'april 3, 1990'
SELECT "Country" FROM "table_39892" WHERE "Launched" = 'april 3, 1990'