CREATE TABLE "managerial_changes" (
  "team" text,
  "outgoing_manager" text,
  "manner_of_departure" text,
  "date_of_vacancy" text,
  "incoming_manager" text,
  "date_of_appointment" text,
  "position_in_table" text
);

Question: Who is the incoming manager when the date of vacancy was 21 march 2011?
SQL: SELECT "incoming_manager" FROM "managerial_changes" 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 "managerial_changes" WHERE "date_of_vacancy"='4 January 2011';

Question: What is the team when the incoming manager is martin allen?
SQL: SELECT "team" FROM "managerial_changes" 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 "managerial_changes" 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 "managerial_changes" WHERE "date_of_appointment"='23 March 2011';

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