How much was the prize money for  rwe-sporthalle, mülheim ?
CREATE TABLE table_18828487_1 (prize_fund VARCHAR, venue VARCHAR)
SELECT prize_fund FROM table_18828487_1 WHERE venue = "RWE-Sporthalle, Mülheim"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18828487_1 (prize_fund VARCHAR, venue VARCHAR) Question: How much was the prize money for  rwe-sporthalle, mülheim ? [/INST] SELECT prize_fund FROM table_18828487_1 WHERE venue = "RWE-Sporthalle, Mülheim" </s>