original_query: How much did Navigator Gas L.L.C. chase of First Notes?
query: How much did Navigator Gas L.L.C.'s parent company, Navigator Holdings PLC, purchase in First Notes?
answer: Jörg G. Bucherer's ProConsult Limited purchased $8 million of First Notes, becoming the largest holder by 2004.  The exact amount purchased by Navigator Gas L.L.C. itself isn't specified.