What date has 2 for killed, and jaffa as the location?
CREATE TABLE "religious_political_or_racial_crimes" (
  "date" text,
  "year" real,
  "location" text,
  "country" text,
  "killed" text,
  "injured" text
);
SELECT "date" FROM "religious_political_or_racial_crimes" WHERE "killed"='2' AND "location"='jaffa';