CREATE TABLE table_70246 ("Player" CLOB, "Club" CLOB, "Games Played" FLOAT, "Minutes" FLOAT, "Goals Against" FLOAT, "GA Average" FLOAT, "Wins" FLOAT, "Loses" FLOAT)

What is the highest goals against the goalkeeper of Dallas Burn, who had a GA average larger than 1.46, had?
SELECT MAX("Goals Against") FROM table_70246 WHERE "Club" = 'dallas burn' AND "GA Average" > '1.46'
SELECT MAX("Goals Against") FROM "table_70246" WHERE "Club" = 'dallas burn' AND "GA Average" > '1.46'