What is the average quantities ordered with payment method code "MasterCard" on invoices?
CREATE TABLE Invoices (Order_Quantity INTEGER, payment_method_code VARCHAR)
SELECT AVG(Order_Quantity) FROM Invoices WHERE payment_method_code = "MasterCard"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE Invoices (Order_Quantity INTEGER, payment_method_code VARCHAR) Question: What is the average quantities ordered with payment method code "MasterCard" on invoices? [/INST] SELECT AVG(Order_Quantity) FROM Invoices WHERE payment_method_code = "MasterCard" </s>