user: Question: How many teams were at the 2007 Details tournament where there a top goalscorer was Not awarded?
Columns: ['Year', 'Location', 'Number of teams', 'Player of the tournament', 'Top goalscorer(s)', 'Best goalkeeper']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2009 Details', 'Jumeirah Beach , Dubai , United Arab Emirates', 'Dejan Stankovic ( SUI )', '16 goals Dejan Stankovic ( SUI )', 'Mão ( BRA )', '269 (8.7)']
SQL:

assistant: SELECT "Number of teams" FROM "Table" WHERE "Top goalscorer(s)" = 'Not awarded' AND "Year" = '2007 Details';