CREATE TABLE table_name_70 (date_of_vacancy VARCHAR, position_in_table VARCHAR, team VARCHAR)

what is the date of vacancy when the position in table is 10th and the team is balboa?
SELECT date_of_vacancy FROM table_name_70 WHERE position_in_table = "10th" AND team = "balboa"
SELECT "date_of_vacancy" FROM "table_name_70" WHERE "10th" = "position_in_table" AND "balboa" = "team"