CREATE TABLE table_70820 ("Club" CLOB, "Played" CLOB, "Drawn" CLOB, "Lost" CLOB, "Try BP" CLOB, "Losing BP" CLOB)

Name the Losing BP of Newport Saracens RFC and has a Lost of 19.
SELECT "Losing BP" FROM table_70820 WHERE "Lost" = '19' AND "Club" = 'newport saracens rfc'
SELECT "Losing BP" FROM "table_70820" WHERE "Club" = 'newport saracens rfc' AND "Lost" = '19'