CREATE TABLE table_203_292 (id NUMBER, "payload type  ( pt ) " CLOB, "name" CLOB, "type" CLOB, "no. of channels" CLOB, "clock rate  ( hz ) " CLOB, "frame size  ( ms ) " CLOB, "default packet size  ( ms ) " CLOB, "description" CLOB, "references" CLOB)

what is the average number of channels ?
SELECT "no. of channels" FROM table_203_292 GROUP BY "no. of channels" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "no. of channels" FROM "table_203_292" GROUP BY "no. of channels" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY