Who was the away team that played Fitzroy on May 13, 1950 at Brunswick Street Oval.
CREATE TABLE table_name_86 (away_team VARCHAR, venue VARCHAR)
SELECT away_team FROM table_name_86 WHERE venue = "brunswick street oval"
### Context: CREATE TABLE table_name_86 (away_team VARCHAR, venue VARCHAR) ### Question: Who was the away team that played Fitzroy on May 13, 1950 at Brunswick Street Oval. ### Answer: SELECT away_team FROM table_name_86 WHERE venue = "brunswick street oval"