Error querying the database!

1. Check the input for invalid characters...
   This is the query class tried to execute: SELECT *, t.id AS id FROM socio_topics t LEFT JOIN socio_sources s ON t.sourceID = s.id WHERE t.id = Monden.info
   This is the error message returned by MySql: 1054: Unknown column 'Monden.info' in 'where clause'