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_1547951_3 (year VARCHAR, outcome VARCHAR, championship VARCHAR)
  ### Question:
  Name the total number of years where runner-up and championship is us open
  ### Answer:
  SELECT COUNT(year) FROM table_1547951_3 WHERE outcome = "Runner-up" AND championship = "US Open"