CREATE TABLE "classification" (
  "driver" text,
  "constructor" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);

Question: What Grid has a Time/Retired of clutch?
SQL: SELECT SUM("grid") FROM "classification" WHERE "time_retired"='clutch';

Question: What is the Time/Retired with more Laps than 34, a Grid smaller than 15, and Driver Damon Hill?
SQL: SELECT "time_retired" FROM "classification" WHERE "laps">34 AND "grid"<15 AND "driver"='damon hill';

Question: How many Laps Did Driver David Coulthard have on a Grid smaller than 11?
SQL: SELECT "laps" FROM "classification" WHERE "grid"<11 AND "driver"='david coulthard';