user: Question: What's the price (in USD) of the model whose L3 is 18 MB?
Columns: ['Model Number', 'Clock Speed', 'L2', 'L3', 'FSB Speed', 'Multiplier', 'Cores', 'Threads per core', 'Voltage', 'TDP (W)', 'Socket', 'Release Date', 'Price ( USD )']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Itanium 2 9010', '1.6 GHz', '256 KB', '6 MB', '533MHz', '12×', 1.0, 1.0, '1.0875–1.25 V', '104 W', 'PPGA611', 'Q1, 2007', '$696']
SQL:

assistant: SELECT "Price ( USD )" FROM "Table" WHERE "L3" = '18 MB';