CREATE TABLE table_203_295 (id NUMBER, "position" NUMBER, "driver / passenger" CLOB, "equipment" CLOB, "points" NUMBER, "wins" NUMBER, "second" NUMBER, "third" NUMBER)

how many more points did jan hendrickx have than marco happich during the 2007 season ?
SELECT (SELECT "points" FROM table_203_295 WHERE "driver / passenger" = 'jan hendrickx') - (SELECT "points" FROM table_203_295 WHERE "driver / passenger" = 'marco happich')
SELECT (SELECT "points" FROM "table_203_295" WHERE "driver / passenger" = 'jan hendrickx') - (SELECT "points" FROM "table_203_295" WHERE "driver / passenger" = 'marco happich')