CREATE TABLE table_48578 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent in the final" CLOB, "Score" CLOB)

In which tournament was Silke Meier the opponent in the final?
SELECT "Tournament" FROM table_48578 WHERE "Opponent in the final" = 'silke meier'
SELECT "Tournament" FROM "table_48578" WHERE "Opponent in the final" = 'silke meier'