CREATE TABLE table_71167 ("School" TEXT, "Grades" TEXT, "Affiliation" TEXT, "Student Body" TEXT, "Enrollment" FLOAT)

What's the Student Body with an Affiliation of Roman Catholic and has an Enrollment of 502?
SELECT "Student Body" FROM table_71167 WHERE "Affiliation" = 'roman catholic' AND "Enrollment" = '502'
SELECT "Student Body" FROM "table_71167" WHERE "Affiliation" = 'roman catholic' AND "Enrollment" = '502'