user: Question: What was the name for the locomotive with a type of 2-8-0 and a number of 20?
Columns: ['Number', 'Name', 'Builder', 'Type', 'Date', 'Works number']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Gordon', 'Avonside Engine Company', '4-6-0', 'Aug 1870', '799']
SQL:

assistant: SELECT "Name" FROM "Table" WHERE "Type" = '2-8-0' AND "Number" = 20.0;