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_203_717 ( id number, "number" number, "year built" number, "livery" text, "current status" text, "notes" text )

### Question ###
are the most trains operational or do they have another status listed ?

### Accurate SQL ###

SELECT "current status" FROM table_203_717 GROUP BY "current status" ORDER BY COUNT(*) DESC LIMIT 1