user: Question: Which Memory (GB) has a Number of CPUs of 1–6?
Columns: ['Model', 'Year Introduced', 'Number of CPUs', 'Performance (MIPS)', 'Memory (GB)']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['G1 – 9672-Rn1, 9672-Enn, 9672-Pnn', 1994.0, '1–6', '15–66', '0.125–2']
SQL:

assistant: SELECT "Memory (GB)" FROM "Table" WHERE "Number of CPUs" = '1–6';