user: Question: Which region has a regional page # of 1-3, 5-7, 9-11, 13-15?
Columns: ['Region name', 'State name', 'Region #', 'Page count', 'Regional Page #']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['Pacific Northwest', 'OR/WA', 1.0, 6.0, '5-6, 9-10, 13-14']
SQL:

assistant: SELECT "Region name" FROM "Table" WHERE "Regional Page #" = '1-3, 5-7, 9-11, 13-15';