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

Question: Who manufactures Makoto Tamada's vehicle?
SQL: SELECT "manufacturer" FROM "moto_gp_classification" WHERE "rider"='makoto tamada';

Question: What is the time/retired of the one with grid of 16?
SQL: SELECT "time_retired" FROM "moto_gp_classification" WHERE "grid"=16;