How many enrollment figures are provided for Roosevelt High School?
CREATE TABLE table_18972 (
    "High School" text,
    "Location" text,
    "Founded" real,
    "Affiliation" text,
    "Enrollment" real,
    "Nickname" text,
    "Division" text
)
SELECT COUNT("Enrollment") FROM table_18972 WHERE "High School" = 'Roosevelt'
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: How many enrollment figures are provided for Roosevelt High School? ### Input: CREATE TABLE table_18972 (
    "High School" text,
    "Location" text,
    "Founded" real,
    "Affiliation" text,
    "Enrollment" real,
    "Nickname" text,
    "Division" text
) ### Response: SELECT COUNT("Enrollment") FROM table_18972 WHERE "High School" = 'Roosevelt'