CREATE TABLE table_48420 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Ground" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many Crowd that has a Date on saturday, 29 january and an Away team of collingwood?
SELECT AVG("Crowd") FROM table_48420 WHERE "Date" = 'saturday, 29 january' AND "Away team" = 'collingwood'
SELECT AVG("Crowd") FROM "table_48420" WHERE "Away team" = 'collingwood' AND "Date" = 'saturday, 29 january'