CREATE TABLE "table1_1745820_5" (
  "athlete" text,
  "event" text,
  "round_of_32" text,
  "round_of_16" text,
  "quarterfinals" text,
  "semifinals" text
);

Question: Which athlete competed in the flyweight division?
SQL: SELECT "athlete" FROM "table1_1745820_5" WHERE "event"='Flyweight';

Question: When there was a bye in the round of 32, what was the result in the round of 16?
SQL: SELECT "semifinals" FROM "table1_1745820_5" WHERE "round_of_32"='Bye';