CREATE TABLE "senior_events" (
  "season" text,
  "host" text,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text
);

Question: Who is everyone on the men's doubles when men's singles is Ma Wenge?
SQL: SELECT "mens_doubles" FROM "senior_events" WHERE "mens_singles"='Ma Wenge';

Question: Who are all men's doubles when men's singles is Jean-Michel Saive?
SQL: SELECT "mens_doubles" FROM "senior_events" WHERE "mens_singles"='Jean-Michel Saive';

Question: Who are all men's doubles when men's singles is Jean-Michel Saive?
SQL: SELECT "mens_doubles" FROM "senior_events" WHERE "mens_singles"='Jean-Michel Saive';

Question: Who are all hosts when men's singles is Ma Wenge?
SQL: SELECT "host" FROM "senior_events" WHERE "mens_singles"='Ma Wenge';

Question: How many people are women's singles in the season of 2000/01?
SQL: SELECT COUNT("womens_singles") FROM "senior_events" WHERE "season"='2000/01';