List the number of assists for the DF.
CREATE TABLE table_28068645_8 (total INTEGER, position VARCHAR)
SELECT MAX(total) FROM table_28068645_8 WHERE position = "DF"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28068645_8 (total INTEGER, position VARCHAR) Question: List the number of assists for the DF. [/INST] SELECT MAX(total) FROM table_28068645_8 WHERE position = "DF" </s>