CREATE TABLE table_203_142 (id NUMBER, "pos" CLOB, "no" NUMBER, "rider" CLOB, "bike" CLOB, "laps" NUMBER, "time" CLOB, "grid" NUMBER, "points" NUMBER)

who rides a bike that is the same as troy bayliss ' bike ?
SELECT "rider" FROM table_203_142 WHERE "rider" <> 'troy bayliss' AND "bike" = (SELECT "bike" FROM table_203_142 WHERE "rider" = 'troy bayliss')
SELECT "rider" FROM "table_203_142" WHERE "bike" = (SELECT "bike" FROM "table_203_142" WHERE "rider" = 'troy bayliss') AND "rider" <> 'troy bayliss'