user: Question: What is the CPU chip in the Dishplayer 7100, which is a DISH tuner with a V.90 modem?
Columns: ['Brand', 'Model', 'Type', 'Modem', 'Storage', 'CPU speed', 'CPU chip']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Sony', 'INT-W100', 'Classic', 'V.34', '2 MB', '112MHz', 'R4640']
SQL:

assistant: SELECT "CPU chip" FROM "Table" WHERE "Modem" = 'V.90' AND "Type" = 'DISH tuner' AND "Model" = 'Dishplayer 7100';