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 table_name_3 (speed VARCHAR, construction_begun VARCHAR, expected_start_of_revenue_services VARCHAR)
  ### Question:
  What is the Speed when Construction begun in 2010, and an Expected start of revenue services of 2015?
  ### Answer:
  SELECT speed FROM table_name_3 WHERE construction_begun = "2010" AND expected_start_of_revenue_services = 2015