CREATE TABLE table_64527 ("Team" TEXT, "Outgoing manager" TEXT, "Manner of departure" TEXT, "Date of vacancy" TEXT, "Replaced by" TEXT, "Date of appointment" TEXT, "Position in table" TEXT)

what is the date of vacancy when the position in table is 10th and the team is balboa?
SELECT "Date of vacancy" FROM table_64527 WHERE "Position in table" = '10th' AND "Team" = 'balboa'
SELECT "Date of vacancy" FROM "table_64527" WHERE "Position in table" = '10th' AND "Team" = 'balboa'