CREATE TABLE table_16652 ("Season" TEXT, "Group A Winner" TEXT, "Group B Winner" TEXT, "Group C Winner" TEXT, "Group D Winner" TEXT)

What is the number of group b winner for francavilla?
SELECT COUNT("Group B Winner") FROM table_16652 WHERE "Group C Winner" = 'Francavilla'
SELECT COUNT("Group B Winner") FROM "table_16652" WHERE "Group C Winner" = 'Francavilla'