Please solve the following sql problem and give the relational algebra type(Use the form of symbols) answer for each question belows and explain it. I will definitely give you helpful evaluation if you finished it, thank you!

Relational Algebra - Generate relational algebra to answer the queries below. - Create descriptive attribute labels. - Replace any value in brackets. For instance, [customer], [day] and [state] or other items in brackets with your own values. For instance: - [customer] - Identifies the customer's name such as Bob Smith. - [state] - Identifies the state name such as New Jersey. 9. Identify the number of transactions performed by staff at the [address] branch in the last [date]. Display 3 columns: staff first name, last name and number of transactions. 10. Identify all accounts that were closed in the [date]. Display the customer's name, account number and final balance. 11. Identify the best bank customers in [location]. Display the customer's name and balance of all accounts. Describe your criteria used to identify the best customers