Table: serie_a_managers
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
position_in_table
replaced_by
date_of_appointment

Question: Name the number of teams for 11th position september 10
SQL: SELECT COUNT("team") FROM serie_a_managers WHERE "position_in_table" = '11th' AND "date_of_appointment" = 'September 10'

Question: Name the replaced by for august 9 
SQL: SELECT "replaced_by" FROM serie_a_managers WHERE "date_of_vacancy" = 'August 9' AND "date_of_appointment" = 'August 9'