user: Question: How many upstream speeds are there for downstream of 20 Mbit/s and bandwidth of 40 GB?
Columns: ['Downstream', 'Upstream', 'Bandwidth', 'Price TL', 'Every 1 GB', 'MAX']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['10 Mbit/s', '1 Mbit/s', '20 GB', '39 TL', '3 TL', '128,70 TL']
SQL:

assistant: SELECT COUNT("Upstream") FROM "Table" WHERE "Downstream" = '20 Mbit/s' AND "Bandwidth" = '40 GB';