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_80 (number_of_electorates__2003_ INTEGER, reserved_for___sc___st__none_ VARCHAR, constituency_number VARCHAR)
  ### Question:
  What is the average number of electorates (2003) reserved for sc with a constituency number of 50?
  ### Answer:
  SELECT AVG(number_of_electorates__2003_) FROM table_name_80 WHERE reserved_for___sc___st__none_ = "sc" AND constituency_number = "50"