CREATE TABLE table_30308 ("Year Location" TEXT, "Mens Singles" TEXT, "Womens Singles" TEXT, "Mens Doubles" TEXT, "Womens Doubles" TEXT)

Who is listed under womens singles when year location is 1998 doha?
SELECT "Womens Singles" FROM table_30308 WHERE "Year Location" = '1998 Doha'
SELECT "Womens Singles" FROM "table_30308" WHERE "Year Location" = '1998 Doha'