text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE Financial_transactions (invoice_number VARCHAR)
  ### Question:
  Show the invoice number and the number of transactions for each invoice.
  ### Answer:
  SELECT invoice_number, COUNT(*) FROM Financial_transactions GROUP BY invoice_number