user: Question: What first appeared in 1966 in the comic X-2-Y?
Columns: ['Name', 'Original Publisher', 'First Appearance', 'Year', 'Date']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ["X' Hal", 'DC Comics', 'The New Teen Titans , Vol. 1, #24', 1982.0, 'October']
SQL:

assistant: SELECT "First Appearance" FROM "Table" WHERE "Year" = 1966.0 AND "Name" = 'X-2-Y';