CREATE TABLE table_5290 ("Season" CLOB, "Champion" CLOB, "Constructor" CLOB, "Teams' Champion" CLOB, "Secondary Class" CLOB, "Nations Cup" CLOB, "Winter Series Champion" CLOB)

Which Nations Cup has a Winter Series Champion of Andrew Bentley?
SELECT "Nations Cup" FROM table_5290 WHERE "Winter Series Champion" = 'andrew bentley'
SELECT "Nations Cup" FROM "table_5290" WHERE "Winter Series Champion" = 'andrew bentley'