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

Question: How many  year locations are there for the womens doubles in jing junhong li jiawei?
SQL: SELECT COUNT("year_location") FROM "japan_open" WHERE "womens_doubles"='Jing Junhong Li Jiawei';

Question: How many players are there for mens singles when chen qi ma lin played mens doubles?
SQL: SELECT COUNT("mens_singles") FROM "japan_open" WHERE "mens_doubles"='Chen Qi Ma Lin';

Question: Who played mens doubles for the 1999 kobe tour?
SQL: SELECT "mens_doubles" FROM "japan_open" WHERE "year_location"='1999 Kobe';

Question: Where was the tour when  jing junhong li jiawei played womens doubles?
SQL: SELECT "year_location" FROM "japan_open" WHERE "womens_doubles"='Jing Junhong Li Jiawei';

Question: How many years did lin gaoyuan wu jiaji play  mens doubles?
SQL: SELECT COUNT("year_location") FROM "japan_open" WHERE "mens_doubles"='Lin Gaoyuan Wu Jiaji';

Question: How many people are shown for mens doubles when guo yue played womens singles?
SQL: SELECT COUNT("mens_doubles") FROM "japan_open" WHERE "womens_singles"='Guo Yue';