CREATE TABLE table_72593 ("Year" TEXT, "Channel" TEXT, "Play-by-play" TEXT, "Color commentator ( s ) " TEXT, "Courtside reporter" TEXT, "Studio host" TEXT, "Studio analysts" TEXT)

How many channels were the games shown on in 2001-02?
SELECT COUNT("Channel") FROM table_72593 WHERE "Year" = '2001-02'
SELECT COUNT("Channel") FROM "table_72593" WHERE "Year" = '2001-02'