CREATE TABLE table_203_34 (id DECIMAL, "season" TEXT, "appearance" DECIMAL, "interchange" DECIMAL, "tries" DECIMAL, "goals" DECIMAL, "f/g" DECIMAL, "points" DECIMAL)

how many more goals did he have in 2009 than 2005 ?
SELECT (SELECT "goals" FROM table_203_34 WHERE "season" = 2009) - (SELECT "goals" FROM table_203_34 WHERE "season" = 2005)
SELECT (SELECT "goals" FROM "table_203_34" WHERE "season" = 2009) - (SELECT "goals" FROM "table_203_34" WHERE "season" = 2005)