CREATE TABLE table_20524 ("Channel" FLOAT, "Band" CLOB, "Video Frequency" CLOB, "Audio Frequency" CLOB, "Station" CLOB, "Network" CLOB, "Transmission" CLOB, "Format" CLOB, "Status" CLOB)

How many networks are there that have a channel number 7?
SELECT COUNT("Network") FROM table_20524 WHERE "Channel" = '7'
SELECT COUNT("Network") FROM "table_20524" WHERE "Channel" = '7'