user: Question: What is the release date for Gold hair color?
Columns: ['Name', 'Hair Color:', 'Eye Color:', 'Release Date', 'Retired?']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Lovely Lola', 'Blonde', 'Light Blue', 'April 2007', 'No (Yes as of 2013 cancellation)']
SQL:

assistant: SELECT "Release Date" FROM "Table" WHERE "Hair Color:" = 'Gold';