CREATE TABLE "taijiquan" (
  "year" real,
  "location" text,
  "gold" text,
  "silver" text,
  "bronze" text
);

Question: Who won silver in the year before 2010, the year Chan Ming Shu won gold?
SQL: SELECT "silver" FROM "taijiquan" WHERE "year"<2010 AND "gold"='chan ming shu';

Question: What is the location for the year under 2010 and the year Hei Zhi Hong won silver?
SQL: SELECT "location" FROM "taijiquan" WHERE "year"<2010 AND "silver"='hei zhi hong';

Question: Which location had a year over 2006?
SQL: SELECT "location" FROM "taijiquan" WHERE "year">2006;