What is the maximum McCain population turnout number?
CREATE TABLE table_20684390_1 (mccain_number INTEGER)
SELECT MAX(mccain_number) FROM table_20684390_1
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20684390_1 (mccain_number INTEGER) Question: What is the maximum McCain population turnout number? [/INST] SELECT MAX(mccain_number) FROM table_20684390_1 </s>