What is the sum of Pleasure, when Drug is "LSD", and when Psychological Dependence is greater than 1.1?
CREATE TABLE "addictive_potential" (
  "drug" text,
  "mean" real,
  "pleasure" real,
  "psychological_dependence" real,
  "physical_dependence" real
);
SELECT SUM("pleasure") FROM "addictive_potential" WHERE "drug"='lsd' AND "psychological_dependence">1.1;