What is the unemployment rate for the county with a market income per capita of $20,958?
CREATE TABLE table_22815568_2 (unemployment_rate VARCHAR, market_income_per_capita VARCHAR)
SELECT COUNT(unemployment_rate) FROM table_22815568_2 WHERE market_income_per_capita = "$20,958"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_22815568_2 (unemployment_rate VARCHAR, market_income_per_capita VARCHAR) Question: What is the unemployment rate for the county with a market income per capita of $20,958? [/INST] SELECT COUNT(unemployment_rate) FROM table_22815568_2 WHERE market_income_per_capita = "$20,958" </s>