CREATE TABLE "d" (
  "artist" text,
  "country" text,
  "number_one_single_s" text,
  "year" real,
  "weeks_at_num1" real,
  "straight_to_num1" text
);

Question: Name the number one singles for  desvarieux, jacob
SQL: SELECT "number_one_single_s" FROM "d" WHERE "artist"='Desvarieux, Jacob';

Question: Name the least weeks at number 1 for 1988
SQL: SELECT MIN("weeks_at_num1") FROM "d" WHERE "year"=1988;