Question:  what's the first appearance where character(s) is Iron Man
SQL: SELECT "First Appearance" FROM "1-1217448-1" WHERE "Character(s)" = 'Iron Man';

Question: what is the total number of publisher where cover date is May 1939
SQL: SELECT COUNT("Publisher") FROM "1-1217448-1" WHERE "Cover Date" = 'May 1939';

Question: what is the total number of publisher where first appearance is Daredevil #1
SQL: SELECT COUNT("Publisher") FROM "1-1217448-1" WHERE "First Appearance" = 'Daredevil #1';

Question:  what's the cover date where character(s) is Sandman (Wesley Dodds)
SQL: SELECT "Cover Date" FROM "1-1217448-1" WHERE "Character(s)" = 'Sandman (Wesley Dodds)';

Question:  what's the cover date where character(s) is X-Men ; Magneto
SQL: SELECT "Cover Date" FROM "1-1217448-1" WHERE "Character(s)" = 'X-Men ; Magneto';

Question:  what's the estimated value where cover date is August 1962
SQL: SELECT "Estimated Value" FROM "1-1217448-1" WHERE "Cover Date" = 'August 1962';