CREATE TABLE table_47616 ("Tournament" CLOB, "Surface" CLOB, "Week" CLOB, "Winner" CLOB, "Runner-up" CLOB, "Semifinalists" CLOB)

What is the Runner-up on April 11?
SELECT "Runner-up" FROM table_47616 WHERE "Week" = 'april 11'
SELECT "Runner-up" FROM "table_47616" WHERE "Week" = 'april 11'