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 on_call (nurse VARCHAR, blockfloor VARCHAR, blockcode VARCHAR)
### Question:
What nurses are on call with block floor 1 and block code 1? Tell me their names.
### Answer:
SELECT nurse FROM on_call WHERE blockfloor = 1 AND blockcode = 1