How many athletes were named federico muller?
CREATE TABLE table_29521180_35 (quarterfinals VARCHAR, athlete VARCHAR)
SELECT COUNT(quarterfinals) FROM table_29521180_35 WHERE athlete = "Federico Muller"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29521180_35 (quarterfinals VARCHAR, athlete VARCHAR) Question: How many athletes were named federico muller? [/INST] SELECT COUNT(quarterfinals) FROM table_29521180_35 WHERE athlete = "Federico Muller" </s>