user: Question: How low is the Attendance that has an Opponent of Devil Rays and a Date of May 13?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['May 1', 'Rangers', '7 - 6', 'Lewis (3-2)', 16111.0, '11-18']
SQL:

assistant: SELECT MIN("Attendance") FROM "Table" WHERE "Opponent" = 'Devil Rays' AND "Date" = 'May 13';