who was drafted before robert alford ?
CREATE TABLE table_204_635 (
    id number,
    "round" number,
    "selection" number,
    "player" text,
    "position" text,
    "college" text
)
SELECT "player" FROM table_204_635 WHERE id = (SELECT id FROM table_204_635 WHERE "player" = 'robert alford') - 1
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: who was drafted before robert alford ? ### Input: CREATE TABLE table_204_635 (
    id number,
    "round" number,
    "selection" number,
    "player" text,
    "position" text,
    "college" text
) ### Response: SELECT "player" FROM table_204_635 WHERE id = (SELECT id FROM table_204_635 WHERE "player" = 'robert alford') - 1