CREATE TABLE table_name_56 (dob VARCHAR, position VARCHAR, first VARCHAR, throws VARCHAR)

Which DOB has a First of david, and Throws of l, and a Position of if?
SELECT dob FROM table_name_56 WHERE first = "david" AND throws = "l" AND position = "if"
SELECT "dob" FROM "table_name_56" WHERE "david" = "first" AND "if" = "position" AND "l" = "throws"