What is the number of jews asarb where the metro area is philadelphia?
CREATE TABLE "metropolitan_areas_with_largest_jewish_p" (
  "rank_wjc" real,
  "rank_arda" real,
  "metro_area" text,
  "number_of_jews_wjc" real,
  "number_of_jews_asarb" real
);
SELECT "number_of_jews_asarb" FROM "metropolitan_areas_with_largest_jewish_p" WHERE "metro_area"='Philadelphia';