CREATE TABLE "125cc_classification" (
  "rider" text,
  "manufacturer" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);

Question: How much Grid has a Time/Retired of +0.785, and Laps larger than 29?
SQL: SELECT SUM("grid") FROM "125cc_classification" WHERE "time_retired"='+0.785' AND "laps">29;

Question: Which Grid has more than 8 Laps, and a Manufacturer of honda, and a Time/Retired of retirement?
SQL: SELECT "grid" FROM "125cc_classification" WHERE "laps">8 AND "manufacturer"='honda' AND "time_retired"='retirement';

Question: How many Laps have a Grid smaller than 5, and a Time/Retired of retirement?
SQL: SELECT SUM("laps") FROM "125cc_classification" WHERE "grid"<5 AND "time_retired"='retirement';

Question: Which Time/Retired has Laps smaller than 14, and a Rider of darren barton?
SQL: SELECT "time_retired" FROM "125cc_classification" WHERE "laps"<14 AND "rider"='darren barton';