Table: managers_1999_nemzeti_bajnoksag
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
position_in_table
replaced_by
date_of_appointment

Question: Who replaced István Sándor?
SQL: SELECT "replaced_by" FROM managers_1999_nemzeti_bajnoksag WHERE "outgoing_manager" = 'istván sándor'

Question: What is the position that has the outgoing manager lászló Dajka?
SQL: SELECT "position_in_table" FROM managers_1999_nemzeti_bajnoksag WHERE "outgoing_manager" = 'lászló dajka'

Question: When was outgoing manager Zoltán Varga appointed?
SQL: SELECT "date_of_appointment" FROM managers_1999_nemzeti_bajnoksag WHERE "outgoing_manager" = 'zoltán varga'