I claim the ornamental design for the poker table, as shown and as described.
FIG. 1 is a perspective view of the poker table
FIG. 2 is an overhead view of the poker table; and,
FIG. 3 is a close up view of the poker table.
In FIG. 3, the dot-dash broken lines depict the border of the enlarged view area and form no part of the claimed design. In the drawings, the dash-dash broken lines depict environmental subject matter only and form no part of the claimed design.