In 1988, what Metro Champion had a Runner-up of Memphis State?
CREATE TABLE table_15463 (
    "Year" real,
    "Metro Champion" text,
    "Score" text,
    "Runner-up" text,
    "Most Outstanding Player" text,
    "Venue (and city)" text
)
SELECT "Metro Champion" FROM table_15463 WHERE "Runner-up" = 'memphis state' AND "Year" = '1988'
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: In 1988, what Metro Champion had a Runner-up of Memphis State? ### Input: CREATE TABLE table_15463 (
    "Year" real,
    "Metro Champion" text,
    "Score" text,
    "Runner-up" text,
    "Most Outstanding Player" text,
    "Venue (and city)" text
) ### Response: SELECT "Metro Champion" FROM table_15463 WHERE "Runner-up" = 'memphis state' AND "Year" = '1988'