Column 

This attribute is used to express a column within a
seat number, the number being the possible combination of a seat row and a seat
column (@Number = @ Row + @Column).

Attribute Information

Used By

Attribute Group SeatGroup

Source 

<xs:attribute name="Column" type="xs:string" use="optional">
  <xs:annotation>
    <xs:documentation xml:lang="EN">This attribute is used to express a column within a seat number, the number being the possible combination of a seat row and a seat column (@Number = @ Row + @Column).</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample