Question: Which finalist played in the week of October 21?
SQL: SELECT "Finalist" FROM "2-16381189-1" WHERE "Week" = 'October 21';

Question: On what surface did they play the match in the week of October 21?
SQL: SELECT "Surface" FROM "2-16381189-1" WHERE "Week" = 'October 21';

Question: Who was the finalist in the Monte Carlo Tournament?
SQL: SELECT "Finalist" FROM "2-16381189-1" WHERE "Tournament" = 'Monte Carlo';