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

which season has the least number of appearances ?
SELECT "season" FROM table_203_34 ORDER BY "appearance" LIMIT 1
SELECT "season" FROM "table_203_34" ORDER BY "appearance" NULLS FIRST LIMIT 1