user: Question: How many entries are shown for entered at 21:09?
Columns: ['Eliminated', 'Wrestler', 'Entered', 'Eliminated by', 'Method of elimination', 'Time']
Types: ['real', 'text', 'real', 'text', 'text', 'text']
Sample row: [1.0, 'Wade Barrett', 3.0, 'Big Show', 'Pinned after a KO Punch', '18:48']
SQL:

assistant: SELECT COUNT("Entered") FROM "Table" WHERE "Time" = '21:09';