user: Question: what are the lines served where station users is 210076?
Columns: ['Station (and code)', 'Managed by', 'Lines served', 'Station users 2007/8', 'Station users 2008/9', 'Year opened', 'Platforms', 'Borough']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Altrincham (ALT)', 'Northern Rail', 'Mid-Cheshire Line', 282958.0, '263110', '1881', '2 [b ]', 'Trafford']
SQL:

assistant: SELECT "Lines served" FROM "Table" WHERE "Station users 2008/9" = '210076';