CREATE TABLE table_204_63 (id DECIMAL, "round" DECIMAL, "circuit" TEXT, "date" TEXT, "pole position" TEXT, "winning driver" TEXT, "winning team" TEXT, "trophy winner" TEXT)

who is the only winning driver to appear once from team target racing ?
SELECT "winning driver" FROM table_204_63 WHERE "winning team" = 'target racing' GROUP BY "winning driver" HAVING COUNT(*) = 1
SELECT "winning driver" FROM "table_204_63" WHERE "winning team" = 'target racing' GROUP BY "winning driver" HAVING COUNT(*) = 1