question: Which DOB has Bats of r, and Throws of r, and a Position of rhp, and a First of john?
answer: SELECT dob FROM table_name_58 WHERE bats = "r" AND throws = "r" AND position = "rhp" AND first = "john"
context: CREATE TABLE table_name_58 (dob VARCHAR, first VARCHAR, position VARCHAR, bats VARCHAR, throws VARCHAR)