CREATE TABLE table_204_793 (id DECIMAL, "call-sign" TEXT, "location" TEXT, "rf" DECIMAL, "psip" DECIMAL, "programming" TEXT)

which programming is played the most ?
SELECT "programming" FROM table_204_793 GROUP BY "programming" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "programming" FROM "table_204_793" GROUP BY "programming" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1