SELECT COUNT("Races") FROM table_3562 WHERE "Podiums" = '8'
In how many races did he have 8 podium finishes?
CREATE TABLE table_3562 (
    "Season" real,
    "Series" text,
    "Team" text,
    "Races" real,
    "Wins" real,
    "Poles" real,
    "F/Laps" real,
    "Podiums" real,
    "Points" real,
    "Position" text
)