CREATE TABLE "ats" (
  "year" real,
  "main_colour_s" text,
  "additional_colour_s" text,
  "livery" text,
  "additional_major_sponsor_s" text
);

Question: What are the additional major sponsors which correspond to the additional color black and a year 1984?
SQL: SELECT "additional_major_sponsor_s" FROM "ats" WHERE "additional_colour_s"='black' AND "year"=1984;

Question: What is the average year of entries with additional color black?
SQL: SELECT AVG("year") FROM "ats" WHERE "additional_colour_s"='black';