CREATE TABLE "see_also" (
  "harmonic" real,
  "ratio" text,
  "cents" real,
  "12_et_cents" text,
  "53_et_commas" real,
  "53_et_cents" real
);

Question: What is the sum of cents that has 53ET cents less than 113.21, and a harmonic more than 1?
SQL: SELECT SUM("cents") FROM "see_also" WHERE "53_et_cents"<113.21 AND "harmonic">1;

Question: What is the sum of cents that has 12ET cents of 100, and less than 17 harmonic?
SQL: SELECT SUM("cents") FROM "see_also" WHERE "12_et_cents"='100' AND "harmonic"<17;