CREATE TABLE building (building_id TEXT, name TEXT, street_address TEXT, years_as_tallest TEXT, height_feet DECIMAL, floors DECIMAL)
CREATE TABLE protein (common_name TEXT, protein_name TEXT, divergence_from_human_lineage DECIMAL, accession_number TEXT, sequence_length DECIMAL, sequence_identity_to_human_protein TEXT, institution_id TEXT)
CREATE TABLE institution (institution_id TEXT, institution TEXT, location TEXT, founded DECIMAL, type TEXT, enrollment DECIMAL, team TEXT, primary_conference TEXT, building_id TEXT)

Show the institution type with an institution founded after 1990 and an institution with at least 1000 enrollment.
SELECT type FROM institution WHERE founded > 1990 AND enrollment >= 1000
SELECT "type" FROM "institution" WHERE "enrollment" >= 1000 AND "founded" > 1990