user: Question: What is the sSpec Number of the model with a 1GHz frequency?
Columns: ['Model Number', 'sSpec Number', 'Frequency', 'L2 Cache', 'Mult', 'Voltage', 'Socket', 'Release Date', 'Part Number(s)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Pentium III 800', 'SL5QD', '800MHz', '256 KB', '6×', '1.75 V', 'Socket 370', 'June 2001', 'RB80533PZ800256']
SQL:

assistant: SELECT "sSpec Number" FROM "Table" WHERE "Frequency" = '1GHz';