What was East Manila's share of 1996 real tariff when its Consumer Price Index is 119.4?
CREATE TABLE "table1_17302440_1" (
  "year" real,
  "west_manila" text,
  "east_manila" text,
  "consumer_price_index_2005_100" text,
  "west_manila_as_a_share_of_1996_real_tariff" text,
  "east_manila_as_a_share_of_1996_real_tariff" text
);
SELECT "east_manila_as_a_share_of_1996_real_tariff" FROM "table1_17302440_1" WHERE "consumer_price_index_2005_100"='119.4';