CREATE TABLE table_50580 ("Team" TEXT, "Make" TEXT, "Drivers" TEXT, "Tyre" TEXT, "Rounds" TEXT)

In what rounds was the featured driver Tomonobu Fujii with a Tyre of Y?
SELECT "Rounds" FROM table_50580 WHERE "Tyre" = 'y' AND "Drivers" = 'tomonobu fujii'
SELECT "Rounds" FROM "table_50580" WHERE "Drivers" = 'tomonobu fujii' AND "Tyre" = 'y'