What is the number of the truck that has the crew chief Billy Wilburn?
CREATE TABLE table_19908313_2 (_number INTEGER, crew_chief VARCHAR)
SELECT MAX(_number) FROM table_19908313_2 WHERE crew_chief = "Billy Wilburn"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_19908313_2 (_number INTEGER, crew_chief VARCHAR) Question: What is the number of the truck that has the crew chief Billy Wilburn? [/INST] SELECT MAX(_number) FROM table_19908313_2 WHERE crew_chief = "Billy Wilburn" </s>