user: ### NOW ANSWER:
Question: What shirt No has a Birth Date of April 12, 1986 (age27)?
Columns: ['Shirt No', 'Nationality', 'Player', 'Birth Date', 'Height', 'Position']
Types: ['real', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 'Turkey', 'Ergül Avcı', 'June 24, 1987 (age26)', 190.0, 'Middle Blocker']
SQL:

assistant: SELECT MIN("Shirt No") FROM "Table" WHERE "Birth Date" = 'April 12, 1986 (age27)';