user: Question: Which DOB has Bats of R, and ThRows of R, and a Position of RHP, and a FiRst of John?
Columns: ['Surname', 'First', 'D.O.B.', 'Bats', 'Throws', 'Position']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Brice', 'Tom', '24 August 1981', 'L', 'L', 'OF']
SQL:

assistant: SELECT "D.O.B." FROM "Table" WHERE "Bats" = 'R' AND "Throws" = 'R' AND "Position" = 'RHP' AND "First" = 'John';