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

Question: Which manufacturer has a grid of 6?
SQL: SELECT "manufacturer" FROM "250cc_classification" WHERE "grid"='6';

Question: Who is the rider for Honda with a grid of 25?
SQL: SELECT "rider" FROM "250cc_classification" WHERE "manufacturer"='honda' AND "grid"='25';

Question: How many laps has a grid of 5?
SQL: SELECT "laps" FROM "250cc_classification" WHERE "grid"='5';

Question: Who is the rider whose time/retired is accident?
SQL: SELECT "rider" FROM "250cc_classification" WHERE "time_retired"='accident';

Question: How many laps have a time/retired of +23.080?
SQL: SELECT "laps" FROM "250cc_classification" WHERE "time_retired"='+23.080';

Question: Who is the manufacturer for Henk Vd Lagemaat?
SQL: SELECT "manufacturer" FROM "250cc_classification" WHERE "rider"='henk vd lagemaat';