When David McNamara was the opponent in the final, what was the tier?
CREATE TABLE table_34548 (
    "Date" text,
    "Tournament" text,
    "Tier" text,
    "Surface" text,
    "Opponent in the final" text,
    "Score" text
)
SELECT "Tier" FROM table_34548 WHERE "Opponent in the final" = 'david mcnamara'
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: When David McNamara was the opponent in the final, what was the tier? ### Input: CREATE TABLE table_34548 (
    "Date" text,
    "Tournament" text,
    "Tier" text,
    "Surface" text,
    "Opponent in the final" text,
    "Score" text
) ### Response: SELECT "Tier" FROM table_34548 WHERE "Opponent in the final" = 'david mcnamara'