CREATE TABLE table_46640 ("Tournament" CLOB, "Surface" CLOB, "Week" CLOB, "Winners" CLOB, "Finalists" CLOB, "Semifinalists" CLOB)

What is Tournament, when Week is November 23?
SELECT "Tournament" FROM table_46640 WHERE "Week" = 'november 23'
SELECT "Tournament" FROM "table_46640" WHERE "Week" = 'november 23'