CREATE TABLE table_30318 ("Year Location" TEXT, "Mens Singles" TEXT, "Womens Singles" TEXT, "Mens Doubles" TEXT, "Womens Doubles" TEXT)

In what year and location did Wang Liqin win the Mens Singles?
SELECT "Year Location" FROM table_30318 WHERE "Mens Singles" = 'Wang Liqin'
SELECT "Year Location" FROM "table_30318" WHERE "Mens Singles" = 'Wang Liqin'