user: Question: What was the mintage having an issue price of $1,099.99, artist being Pamela Stagg?
Columns: ['Year', 'Artist', 'Composition', 'Mintage', 'Issue Price']
Types: ['real', 'text', 'text', 'real', 'text']
Sample row: [1998.0, 'Pierre Leduc', '99.999% pure gold', 1998.0, '$999.99']
SQL:

assistant: SELECT "Mintage" FROM "Table" WHERE "Issue Price" = '$1,099.99' AND "Artist" = 'Pamela Stagg';