What location has a killed of 100.9, and a year later than 1993?
CREATE TABLE "americas" (
  "perpetrator" text,
  "date" text,
  "year" real,
  "location" text,
  "country" text,
  "killed" text,
  "injured" text
);
SELECT "location" FROM "americas" WHERE "year">1993 AND "killed"='100.9';