What is the round when the prize money is 7,500?
CREATE TABLE table_30172 (
    "Round" text,
    "Main date" text,
    "Number of fixtures" real,
    "Clubs" text,
    "New entries this round" text,
    "Prize money" text,
    "Player of the Round" text
)
SELECT "Round" FROM table_30172 WHERE "Prize money" = '£7,500'
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: What is the round when the prize money is 7,500? ### Input: CREATE TABLE table_30172 (
    "Round" text,
    "Main date" text,
    "Number of fixtures" real,
    "Clubs" text,
    "New entries this round" text,
    "Prize money" text,
    "Player of the Round" text
) ### Response: SELECT "Round" FROM table_30172 WHERE "Prize money" = '£7,500'