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 architect (id VARCHAR, name VARCHAR, nationality VARCHAR); CREATE TABLE mill (architect_id VARCHAR)
  ### Question:
  What is the id, name and nationality of the architect who built most mills?
  ### Answer:
  SELECT T1.id, T1.name, T1.nationality FROM architect AS T1 JOIN mill AS T2 ON T1.id = T2.architect_id GROUP BY T1.id ORDER BY COUNT(*) DESC LIMIT 1