user: Question: What is the lowest number of caps of the Fullback player born on 13 April 1983?
Columns: ['Player', 'Position', 'Date of Birth (Age)', 'Caps', 'Club/province']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Carlo Festuccia', 'Hooker', '20 June 1980', 39.0, 'Métro Racing']
SQL:

assistant: SELECT MIN("Caps") FROM "Table" WHERE "Position" = 'Fullback' AND "Date of Birth (Age)" = '13 April 1983';