user: Question: Name the number of outgoing manager for Rijeka
Columns: ['Team', 'Outgoing manager', 'Manner of departure', 'Date of vacancy', 'Replaced by', 'Date of appointment', 'Position in table']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['RNK Split', 'Tonći Bašić Category:Articles with hCards', 'Removed from position', '2 Cannot handle non-empty timestamp argument! 2010', 'Ivan Katalinić Category:Articles with hCards', '2 Cannot handle non-empty timestamp argument! 2010', 'Pre-season']
SQL:

assistant: SELECT COUNT("Outgoing manager") FROM "Table" WHERE "Team" = 'Rijeka';