user: Question: What is the unemployment rate in those places where the market income per capita is $16,981?
Columns: ['County', 'Population', 'Unemployment Rate', 'Market Income Per Capita', 'Poverty Rate', 'Status']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Alexander', 33603.0, '5.8%', '$22,866', '8.5%', 'Transitional']
SQL:

assistant: SELECT "Unemployment Rate" FROM "Table" WHERE "Market Income Per Capita" = '$16,981';