CREATE TABLE "250cc_classification" (
  "rider" text,
  "manufacturer" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);

Question: Which Laps have a Time/Retired of +23.215, and a Grid larger than 11?
SQL: SELECT MIN("laps") FROM "250cc_classification" WHERE "time_retired"='+23.215' AND "grid">11;

Question: Which Manufacturer has a Time/Retired of accident?
SQL: SELECT "manufacturer" FROM "250cc_classification" WHERE "time_retired"='accident';

Question: Which Grid has Laps of 25, and a Manufacturer of honda, and a Time/Retired of +1:47.797?
SQL: SELECT MIN("grid") FROM "250cc_classification" WHERE "laps"=25 AND "manufacturer"='honda' AND "time_retired"='+1:47.797';