CREATE TABLE "1970_isle_of_man_lightweight_tt_250cc_fi" (
  "place" real,
  "rider" text,
  "country" text,
  "machine" text,
  "speed" text,
  "time" text,
  "points" real
);

Question: Which rider had a speed of 90.57mph?
SQL: SELECT "rider" FROM "1970_isle_of_man_lightweight_tt_250cc_fi" WHERE "speed"='90.57mph';

Question: Which country has a place smaller than 8 and points smaller than 5?
SQL: SELECT "country" FROM "1970_isle_of_man_lightweight_tt_250cc_fi" WHERE "place"<8 AND "points"<5;