How many 125cc winners were in the same events as when the Moto2 winner was Shoya Tomizawa?
CREATE TABLE "grands_prix" (
  "round" real,
  "date" text,
  "grand_prix" text,
  "circuit" text,
  "moto_gp_winner" text,
  "moto2_winner" text,
  "125cc_winner" text,
  "report" text
);
SELECT COUNT("125cc_winner") FROM "grands_prix" WHERE "moto2_winner"='Shoya Tomizawa';