How many Deaths have a Fate of damaged, and a Tonnage (GRT) smaller than 4,917?
CREATE TABLE "summary_of_raiding_history" (
  "date" text,
  "ship_name" text,
  "flag" text,
  "tonnage_grt" real,
  "fate" text,
  "deaths" real
);
SELECT COUNT("deaths") FROM "summary_of_raiding_history" WHERE "fate"='damaged' AND "tonnage_grt"<'4,917';