user: Question: What is the wheat amount when the potato amount of 1.9?
Columns: ['STAPLE:', 'Maize / Corn [A ]', 'Rice [B ]', 'Wheat [C ]', 'Potato [D ]', 'Cassava [E ]', 'Soybean (Green) [F ]', 'Sweet potato [G ]', 'Yam [Y ]']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Component (per 100g portion)', 'Amount', 'Amount', 'Amount', 'Amount', 'Amount', 'Amount', 'Amount', 'Amount']
SQL:

assistant: SELECT "Wheat [C ]" FROM "Table" WHERE "Potato [D ]" = '1.9';