SELECT MAX("Enrollment") FROM table_23606 WHERE "Team Name" = 'Sooners'
What is the maximum enrollment of the Sooners?
CREATE TABLE table_23606 (
    "Institution" text,
    "Team Name" text,
    "Location (Population)" text,
    "Team Started" real,
    "Affiliation" text,
    "Enrollment" real,
    "Mascot" text,
    "Divisional Titles" real,
    "Big 12 Titles" real,
    "National Titles" real
)