CREATE TABLE table_44804 ("Year" FLOAT, "Network" TEXT, "Play-by-play" TEXT, "Color commentator ( s ) " TEXT, "Pregame host" TEXT)

What network has a Play-by-play by Jack Edwards in 2000?
SELECT "Network" FROM table_44804 WHERE "Play-by-play" = 'jack edwards' AND "Year" = '2000'
SELECT "Network" FROM "table_44804" WHERE "Play-by-play" = 'jack edwards' AND "Year" = '2000'