แชสซีอะไรบนรถที่ทีม rahal letterman lanigan racing ขับแทน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What chassis is on the car repped by team rahal letterman lanigan racing?It is not neccessary to use all the tables.
 table_2503102_2:  (chassis [ VARCHAR ] team [ VARCHAR) ]
SELECT chassis FROM table_2503102_2 WHERE team = "Rahal Letterman Lanigan Racing"