user: Question: What is the average Acquired when the Number shows as 7?
Columns: ['Number', 'Player', 'Shoots', 'Position', 'Acquired', 'Place of Birth', 'Joined from']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: [7.0, 'Mark Garside', 'L', 'C', 2010.0, 'East Kilbride , Scotland', 'Edinburgh Capitals , EIHL']
SQL:

assistant: SELECT AVG("Acquired") FROM "Table" WHERE "Number" = 7.0;