<xs:attribute name="team-coverage" use="optional">
    <xs:annotation>
        <xs:documentation>Indicates whether the item contains information about one team, or
                    many teams.</xs:documentation>
    </xs:annotation>
    <xs:simpleType id="teamCoverage">
        <xs:restriction base="xs:string">
            <xs:enumeration id="teamCoverageSingle-team" value="single-team">
                <xs:annotation>
                    <xs:documentation>Contains only information about a single
                                team.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
            <xs:enumeration id="teamCoverageMulti-team" value="multi-team">
                <xs:annotation>
                    <xs:documentation>Contains information about many or all teams in a
                                league.</xs:documentation>
                </xs:annotation>
            </xs:enumeration>
        </xs:restriction>
    </xs:simpleType>
</xs:attribute>