CREATE TABLE table_46158 ("Opposing Team" CLOB, "Against" FLOAT, "Date" CLOB, "Venue" CLOB, "Round" CLOB)

Which Against has a Date of 28 january 1950?
SELECT AVG("Against") FROM table_46158 WHERE "Date" = '28 january 1950'
SELECT AVG("Against") FROM "table_46158" WHERE "Date" = '28 january 1950'