SELECT COUNT("opposition") FROM table_204_334 WHERE "win%" = 100
what is the number of oppositions who the chandigarh comets have 100 % win rate against ?
CREATE TABLE table_204_334 (
    id number,
    "opposition" text,
    "matches" number,
    "won" number,
    "drawn" number,
    "lost" number,
    "for" number,
    "against" number,
    "win%" text
)