CREATE TABLE table_75030 ("Call sign" CLOB, "Analog channel" CLOB, "Digital channel" CLOB, "Virtual channel" CLOB, "Network" CLOB, "Station Ownership" CLOB)

Call sign of k43hb-ld is what virtual channel?
SELECT "Virtual channel" FROM table_75030 WHERE "Call sign" = 'k43hb-ld'
SELECT "Virtual channel" FROM "table_75030" WHERE "Call sign" = 'k43hb-ld'