CREATE TABLE table_75028 ("Call sign" TEXT, "Analog channel" TEXT, "Digital channel" TEXT, "Virtual channel" TEXT, "Network" TEXT, "Station Ownership" TEXT)

Call sign of k33ln-ld, and a Virtual channel of 33.5 is what network?
SELECT "Network" FROM table_75028 WHERE "Call sign" = 'k33ln-ld' AND "Virtual channel" = '33.5'
SELECT "Network" FROM "table_75028" WHERE "Call sign" = 'k33ln-ld' AND "Virtual channel" = '33.5'