Table: football_league_two_managers_2
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
incoming_manager
date_of_appointment
position_in_table

Question: Who is the incoming manager when the date of vacancy was 21 march 2011?
SQL: SELECT "incoming_manager" FROM football_league_two_managers_2 WHERE "date_of_vacancy" = '21 March 2011'

Question: What is the position in table when the date of vacancy was 4 january 2011?
SQL: SELECT "position_in_table" FROM football_league_two_managers_2 WHERE "date_of_vacancy" = '4 January 2011'

Question: What is the team when the incoming manager is martin allen?
SQL: SELECT "team" FROM football_league_two_managers_2 WHERE "incoming_manager" = 'Martin Allen'

Question: Who is the incoming manager when the date of appointment is 9 march 2011?
SQL: SELECT "incoming_manager" FROM football_league_two_managers_2 WHERE "date_of_appointment" = '9 March 2011'

Question: What is the team when the date of appointment is 23 march 2011?
SQL: SELECT "team" FROM football_league_two_managers_2 WHERE "date_of_appointment" = '23 March 2011'

Question: what is the date of appointment  11 june 2010?
SQL: SELECT "team" FROM football_league_two_managers_2 WHERE "date_of_appointment" = '11 June 2010'