CREATE TABLE "aluminium_series" (
  "denomination" text,
  "metal" text,
  "weight" text,
  "shape" text,
  "size" text
);

Question: Which metal has a size that is 26mm (across scallops)?
SQL: SELECT "metal" FROM "aluminium_series" WHERE "size"='26mm (across scallops)';

Question: What is the weight with the shape of scalloped, and that is a size of 20mm (across scallops)?
SQL: SELECT "weight" FROM "aluminium_series" WHERE "shape"='scalloped' AND "size"='20mm (across scallops)';

Question: What is the weight with a denomination that is three paise?
SQL: SELECT "weight" FROM "aluminium_series" WHERE "denomination"='three paise';

Question: What is the weight with a denomination that is ten paise?
SQL: SELECT "weight" FROM "aluminium_series" WHERE "denomination"='ten paise';