user: Question: Who was the skipper on a Nelson Marek 43?
Columns: ['Position', 'Sail Number', 'Yacht', 'State/Country', 'Yacht Type', 'LOA (Metres)', 'Skipper', 'Corrected Time d:hh:mm:ss']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '8338', 'AFR Midnight Rambler', 'NSW', 'Hick 35', '10.66', 'Ed Psaltis Bob Thomas', '2:12:36:23']
SQL:

assistant: SELECT "Skipper" FROM "Table" WHERE "Yacht Type" = 'Nelson Marek 43';