WHat is the Homeland security distinguished service medal when the medal of honor is Coast guard Medal?
CREATE TABLE "table1_2104176_1" (
  "medal_of_honor" text,
  "coast_guard_cross" text,
  "navy_cross" text,
  "distinguished_service_cross" text,
  "air_force_cross" text,
  "homeland_security_distinguished_service_medal" text
);
SELECT "homeland_security_distinguished_service_medal" FROM "table1_2104176_1" WHERE "medal_of_honor"='Coast Guard Medal';