CREATE TABLE table_204_793 (id NUMBER, "call-sign" CLOB, "location" CLOB, "rf" NUMBER, "psip" NUMBER, "programming" CLOB)

how many jstations have an rf of at least 29 ?
SELECT COUNT(*) FROM table_204_793 WHERE "rf" >= 29
SELECT COUNT(*) FROM "table_204_793" WHERE "rf" >= 29