user: Question: How many times has a wrestler whose federation was ROH, WWE competed in this event?
Columns: ['#', 'Name', 'Country', '1', '2', '3', 'Other placings', 'Total', 'First appearance', 'Last appearance', 'Federation']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'Shawn Michaels', 'USA', 3.0, 1.0, 2.0, 4.0, 10.0, 1994.0, 2008.0, 'WWE']
SQL:

assistant: SELECT COUNT("Other placings") FROM "Table" WHERE "Federation" = 'ROH, WWE';