Table schema:
CREATE TABLE table_17327264_3 (date_of_appointment VARCHAR, replaced_by VARCHAR, manner_of_departure VARCHAR, position_in_table VARCHAR)

Question: Name the date of appointment for sacked and 14th position replaced by marco kostmann
SQL: SELECT date_of_appointment FROM table_17327264_3 WHERE manner_of_departure = "Sacked" AND position_in_table = "14th" AND replaced_by = "Marco Kostmann"