wich were the events when bout 2 was zhang ( chn ) l 0-5?
CREATE TABLE "table1_19398910_4" (
  "athlete" text,
  "class" text,
  "event" text,
  "bout_1" text,
  "bout_2" text,
  "bout_3" text,
  "bout_4" text,
  "bout_5" text,
  "bout_6" text,
  "rank" text,
  "1_8_finals" text,
  "quarterfinals" text,
  "semifinals" text
);
SELECT "event" FROM "table1_19398910_4" WHERE "bout_2"='Zhang ( CHN ) L 0-5';