user: Question: Who won the mixed restricted when Tomasz Rzeszotko won the mixed veteran and Karina Le Fevre won the U21 womens?
Columns: ['Date/Location', 'Mens singles', 'Womens Singles', 'U21 Mens', 'U21 Womens', 'Mixed Restricted', 'Mixed Veteran']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['July 2010 Doncaster', 'Liam Pitchford', 'Kelly Sibley', 'Alim Hirji', 'Karina Le Fevre', 'Will Bayley', 'Abdul Wuraola']
SQL:

assistant: SELECT "Mixed Restricted" FROM "Table" WHERE "Mixed Veteran" = 'Tomasz Rzeszotko' AND "U21 Womens" = 'Karina Le Fevre';