user: Question: What zone was the Semifinal game played against Israel with Anna Smashnova as the opponent?
Columns: ['Edition', 'Zone', 'Round', 'Date', 'Against', 'Surface', 'Opponent', 'Outcome', 'Result']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2005.0, 'Europe/Africa Group I C', '1R', '21 April 2005', 'Slovenia', 'Clay', 'Tina Pisnik', 'Loss', '6–0, 6–1']
SQL:

assistant: SELECT "Zone" FROM "Table" WHERE "Round" = 'Semifinal' AND "Against" = 'Israel' AND "Opponent" = 'Anna Smashnova';