Name the highest silver for table tennis and bronze more than 0
CREATE TABLE "singapore_at_the_2007_southeast_asian_ga" (
  "rank" text,
  "sport" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MAX("silver") FROM "singapore_at_the_2007_southeast_asian_ga" WHERE "sport"='table tennis' AND "bronze">0;