user: Question: What is the average size (cents) with an interval of major third and size (steps) more than 5
Columns: ['interval name', 'size (steps)', 'size (cents)', 'just ratio', 'just (cents)', 'error', 'audio']
Types: ['text', 'real', 'real', 'text', 'real', 'text', 'text']
Sample row: ['perfect fifth', 9.0, 720.0, '3:2', 701.96, '+18.04', 'Play Category:Articles with hAudio microformats']
SQL:

assistant: SELECT AVG("size (cents)") FROM "Table" WHERE "interval name" = 'major third' AND "size (steps)" > 5.0;