Which IHSAA Class has a Mascot of eagles, and a City of evansville?
CREATE TABLE "schools" (
  "school" text,
  "city" text,
  "mascot" text,
  "enrollment" real,
  "ihsaa_class" text,
  "county" text
);
SELECT "ihsaa_class" FROM "schools" WHERE "mascot"='eagles' AND "city"='evansville';