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_245801_1 (duration__days_ VARCHAR, crew VARCHAR)
  ### Question:
  Name the duration for georgi grechko
  ### Answer:
  SELECT duration__days_ FROM table_245801_1 WHERE crew = "Georgi Grechko"