user: Question: Who was the winner of Stage 12 with a Points Classification of Francesco Moser?
Columns: ['Stage', 'Winner', 'General classification', 'Points classification', 'Trofeo Fast Team']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['P', 'Renault-Elf', 'Bernard Hinault', 'not awarded', 'Renault-Elf']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "Points classification" = 'Francesco Moser' AND "Stage" = '12';