CREATE TABLE "english_open" (
  "year_location" text,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text
);

Question: Who won in the men singles group in the year when Yoshie Takada won in the women singles?
SQL: SELECT "mens_singles" FROM "english_open" WHERE "womens_singles"='Yoshie Takada';

Question: When and where did Chen Qi win in men singles?
SQL: SELECT "year_location" FROM "english_open" WHERE "mens_singles"='Chen Qi';