CREATE TABLE table_23329 (" ( Virtual ) " TEXT, "Callsign" TEXT, "Affiliation" TEXT, "Branding" TEXT, "Channel" TEXT, "Programming" TEXT, "Owner" TEXT)

what is the virtual callsign if is wnet
SELECT "(Virtual)" FROM table_23329 WHERE "Callsign" = 'WNET'
SELECT "(Virtual)" FROM "table_23329" WHERE "Callsign" = 'WNET'