Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_19556 ( "Station (and code)" text, "Managed by" text, "Lines served" text, "Station users 2007/8" real, "Station users 2008/9" text, "Year opened" text, "Platforms" text, "Borough" text )

### Question ###
what are the lines served where station users is 210076?

### Accurate SQL ###

SELECT "Lines served" FROM table_19556 WHERE "Station users 2008/9" = '210076'