CREATE TABLE table_19666 ("Year" FLOAT, "Mens singles" CLOB, "Womens singles" CLOB, "Mens doubles" CLOB, "Womens doubles" CLOB, "Mixed doubles" CLOB)

Name the year for victoria hristova neli nedialkova
SELECT "Year" FROM table_19666 WHERE "Womens doubles" = 'Victoria Hristova Neli Nedialkova'
SELECT "Year" FROM "table_19666" WHERE "Womens doubles" = 'Victoria Hristova Neli Nedialkova'