user: Question: What is the media market ranking for the Blackhawks?
Columns: ['Metropolitan Area', 'Media Market Ranking', 'Hosted 4 teams since', 'NFL Team(s)', 'MLB Team(s)', 'NBA Team(s)', 'NHL Team(s)']
Types: ['text', 'real', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Boston, Massachusetts', 7.0, 1960.0, 'Patriots ( Foxborough, MA )', 'Red Sox', 'Celtics', 'Bruins']
SQL:

assistant: SELECT "Media Market Ranking" FROM "Table" WHERE "NHL Team(s)" = 'Blackhawks';