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_8 (height_of_bridge_structure VARCHAR, opened VARCHAR, name VARCHAR)
  ### Question:
  How tall is the Anqing Bridge which opened prior to 2011?
  ### Answer:
  SELECT height_of_bridge_structure FROM table_name_8 WHERE opened < 2011 AND name = "anqing bridge"