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 table_name_45 (letter VARCHAR, operator VARCHAR, as_number VARCHAR)
### Question:
Which letter has an operator of VeriSign and an AS-number of AS26415?
### Answer:
SELECT letter FROM table_name_45 WHERE operator = "verisign" AND as_number = "as26415"