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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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. [/INST] SELECT away_team FROM table_name_86 WHERE venue = "brunswick street oval" </s>