How tall is the Anqing Bridge which opened prior to 2011?
CREATE TABLE table_name_8 (height_of_bridge_structure VARCHAR, opened VARCHAR, name VARCHAR)
SELECT height_of_bridge_structure FROM table_name_8 WHERE opened < 2011 AND name = "anqing bridge"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT height_of_bridge_structure FROM table_name_8 WHERE opened < 2011 AND name = "anqing bridge" </s>