What is the most Champ Car wins for any driver with a USAC record of 2?
CREATE TABLE table_19524523_1 (champ_car_world_series__2004_2007_ INTEGER, usac__1956_1995_ VARCHAR)
SELECT MAX(champ_car_world_series__2004_2007_) FROM table_19524523_1 WHERE usac__1956_1995_ = 2
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_19524523_1 (champ_car_world_series__2004_2007_ INTEGER, usac__1956_1995_ VARCHAR) Question: What is the most Champ Car wins for any driver with a USAC record of 2? [/INST] SELECT MAX(champ_car_world_series__2004_2007_) FROM table_19524523_1 WHERE usac__1956_1995_ = 2 </s>