CREATE TABLE "comparison" (
  "type" text,
  "zinc_carbon" text,
  "alkaline" text,
  "li_fe_s_2" text,
  "ni_cd" text,
  "ni_mh" text
);

Question: What is NiCd, when Type is "Capacity under 500mA constant Drain"?
SQL: SELECT "ni_cd" FROM "comparison" WHERE "type"='capacity under 500ma constant drain';

Question: What is Li-FeS 2, when Type is Nominal Voltage?
SQL: SELECT "li_fe_s_2" FROM "comparison" WHERE "type"='nominal voltage';