Table: emergency shipbuilding program
Question: Were there any differences in ship types delivered between the shipyards located in Alabama versus those in Texas? Answer with only 'Yes' or 'No' that is most accurate and nothing else.
Step 1 (Operation, Filter): location (city , state)
Step 2 (Operation, Grouping): location (city , state)
Step 3 (Operation, Indexing): ship types delivered
Step 4 (Reasoning, Other Commonsense Reasoning): any differences
Answer: Yes