CREATE TABLE table_19660 ("Year" FLOAT, "Mens Singles" TEXT, "Womens Singles" TEXT, "Men Doubles" TEXT, "Womens Doubles" TEXT, "Mixed Doubles" TEXT)

Name the men doubles for caroline persyn smids
SELECT "Men Doubles" FROM table_19660 WHERE "Womens Doubles" = 'Caroline Persyn Smids'
SELECT "Men Doubles" FROM "table_19660" WHERE "Womens Doubles" = 'Caroline Persyn Smids'