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_2150068_1 (launch_date__utc_ VARCHAR, diameter_m_ VARCHAR, usage VARCHAR, mass_kg_ VARCHAR)
  ### Question:
  What was the launch date for the sattelite with ado that was 4 kg and 3 meters in diameter?
  ### Answer:
  SELECT launch_date__utc_ FROM table_2150068_1 WHERE usage = "ado" AND mass_kg_ = "4" AND diameter_m_ = "3"