CREATE TABLE table_4881 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

What is the away team's score at brunswick street oval?
SELECT "Away team score" FROM table_4881 WHERE "Venue" = 'brunswick street oval'
SELECT "Away team score" FROM "table_4881" WHERE "Venue" = 'brunswick street oval'