CREATE TABLE table_63930 ("Club" CLOB, "League/Division" CLOB, "Home Ground" CLOB, "Location" CLOB, "Position in 2012-13" CLOB)

Where was the location of the Mong Kok Stadium?
SELECT "Location" FROM table_63930 WHERE "Home Ground" = 'mong kok stadium'
SELECT "Location" FROM "table_63930" WHERE "Home Ground" = 'mong kok stadium'