CREATE TABLE "external_links" (
  "rank" real,
  "family" text,
  "abbre_viation" text,
  "constellation" text,
  "area_sq_deg" text,
  "area_msr" text,
  "per_cent_age" text,
  "right_ascension_hm" text,
  "decli_nation_dm" text,
  "quad" text
);

Question: What is the percentage of this constellation abbreviated as 'nor'?
SQL: SELECT "per_cent_age" FROM "external_links" WHERE "abbre_viation"='Nor';

Question: This constellation, abbreviated as 'oph' has how many right ascension (in hm)?
SQL: SELECT COUNT("right_ascension_hm") FROM "external_links" WHERE "abbre_viation"='Oph';

Question: What is the name of this constellation with an area of 245.375 sq. deg.?
SQL: SELECT "constellation" FROM "external_links" WHERE "area_sq_deg"='245.375';

Question: This constellation with a ranking of 51 has how many percentages on record?
SQL: SELECT COUNT("per_cent_age") FROM "external_links" WHERE "rank"=51;

Question: What is the percentage of this constellation with an area of 248.885 sq. deg.?
SQL: SELECT "per_cent_age" FROM "external_links" WHERE "area_sq_deg"='248.885';