CREATE TABLE table_19090 ("Season" FLOAT, "Race Name" TEXT, "Winning Driver" TEXT, "Chassis" TEXT, "Engine" TEXT, "Tires" TEXT, "Team" TEXT)

In what year did Tom Sneva win a race?
SELECT "Season" FROM table_19090 WHERE "Winning Driver" = 'Tom Sneva'
SELECT "Season" FROM "table_19090" WHERE "Winning Driver" = 'Tom Sneva'