Table: royal_canadian_mint_coins
Columns: year
theme
artist
mintage_proof
issue_price_proof
mintage_bu_clarification_needed
issue_price_bu_clarification_needed

Question: What is the issue price (proof) where the issue price (bu) is 34.95?
SQL: SELECT "issue_price_proof" FROM royal_canadian_mint_coins WHERE "issue_price_bu_clarification_needed" = '34.95'

Question: What is the earliest year where the mintage (proof) is 25,000?
SQL: SELECT MIN("year") FROM royal_canadian_mint_coins WHERE "mintage_proof" = '25,000'

Question: What is the mintage (bu) with the artist Royal Canadian Mint Staff and has an issue price (proof) of $54.95?
SQL: SELECT "mintage_bu_clarification_needed" FROM royal_canadian_mint_coins WHERE "artist" = 'Royal Canadian Mint Staff' AND "issue_price_proof" = '$54.95'

Question: What is the year that the issue price (bu) is $26.95?
SQL: SELECT "year" FROM royal_canadian_mint_coins WHERE "issue_price_bu_clarification_needed" = '$26.95'