What is the total number of Israeli deaths in the attack with 0 total casulaties and 0 total deaths?
CREATE TABLE "attacks_against_israeli_diplomatic_missi" (
  "israeli_deaths" real,
  "other_deaths" text,
  "total_deaths" text,
  "israeli_and_or_foreigner_wounded" text,
  "total_casualties" text
);
SELECT COUNT("israeli_deaths") FROM "attacks_against_israeli_diplomatic_missi" WHERE "total_casualties"='0' AND "total_deaths"='0';