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

Question: Which rider has the time of +31.426?
SQL: SELECT "rider" FROM "moto_gp_classification" WHERE "time_retired"='+31.426';

Question: What is the grid for the rider who rides a Suzuki and has the time of +1:01.894?
SQL: SELECT MAX("grid") FROM "moto_gp_classification" WHERE "manufacturer"='suzuki' AND "time_retired"='+1:01.894';