CREATE TABLE table_7111 ("Year" FLOAT, "Conventional plans" TEXT, "HMOs" TEXT, "PPOs" TEXT, "POS plans" TEXT)

Which conventional plan has a POS of 13%?
SELECT "Conventional plans" FROM table_7111 WHERE "POS plans" = '13%'
SELECT "Conventional plans" FROM "table_7111" WHERE "POS plans" = '13%'