What is the number for Chauchilla Cemetery Battle with less than 511 pieces?
CREATE TABLE table_name_54 (number INTEGER, pieces VARCHAR, name VARCHAR)
SELECT AVG(number) FROM table_name_54 WHERE pieces < 511 AND name = "chauchilla cemetery battle"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_54 (number INTEGER, pieces VARCHAR, name VARCHAR) Question: What is the number for Chauchilla Cemetery Battle with less than 511 pieces? [/INST] SELECT AVG(number) FROM table_name_54 WHERE pieces < 511 AND name = "chauchilla cemetery battle" </s>