user: Question: What is the map reference number for lake superior with a larger population than 65216
Columns: ['Rank', 'Map Reference Number', 'Census Statistical Area', '2007 Population', 'Lake(s)']
Types: ['real', 'real', 'text', 'real', 'text']
Sample row: [1.0, 16.0, 'Chicago-Naperville-Michigan City, IL-IN-WI CSA', 9745165.0, 'Lake Michigan']
SQL:

assistant: SELECT "Map Reference Number" FROM "Table" WHERE "Lake(s)" = 'lake superior' AND "2007 Population" > 65216.0;