Task: Text to Code
Input (English): SQL: SELECT Railway_ID , Builder FROM railway GROUP BY Railway_ID ORDER BY Count ( * ) Desc LIMIT 1
Feedback: Replace railway table with train table in step 1.
Output (English): SELECT T2.Railway_ID ,  T1.Builder FROM railway AS T1 JOIN train AS T2 ON T1.Railway_ID  =  T2.Railway_ID GROUP BY T2.Railway_ID ORDER BY COUNT(*) DESC LIMIT 1