Table: royal_canadian_mint_coins_2
Columns: year
theme
artist
mintage
issue_price

Question: What was the mintage when the theme was Santa Claus?
SQL: SELECT "mintage" FROM royal_canadian_mint_coins_2 WHERE "theme" = 'santa claus'

Question: What was the issue price in the year 2008?
SQL: SELECT SUM("issue_price") FROM royal_canadian_mint_coins_2 WHERE "year" = 2008