Table: mint_tokens_2
Columns: year_of_issue
description
weight
diameter
thickness
edge

Question: Which Description has a Year of Issue of 1983, and a Weight of 3.50grams?
SQL: SELECT "description" FROM mint_tokens_2 WHERE "year_of_issue" = 1983 AND "weight" = '3.50grams'

Question: Which Thickness has a Year of Issue smaller than 1983?
SQL: SELECT "thickness" FROM mint_tokens_2 WHERE "year_of_issue" < 1983

Question: Which Description has a Year of Issue of 1983, and a Thickness of 1.7mm, and a Weight of 3.50grams?
SQL: SELECT "description" FROM mint_tokens_2 WHERE "year_of_issue" = 1983 AND "thickness" = '1.7mm' AND "weight" = '3.50grams'

Question: Which Thickness has a Weight of 3.50grams?
SQL: SELECT "thickness" FROM mint_tokens_2 WHERE "weight" = '3.50grams'

Question: Which Thickness has a Diameter of 21.9mm?
SQL: SELECT "thickness" FROM mint_tokens_2 WHERE "diameter" = '21.9mm'