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I gave it a shot and got Q1-Q10 right, but I couldn't solve the last one. My two problems with Q11 are:
-The Q6 part: I have no idea of the name of the character who said the Q6 quote. I have found one thing that might be correct, but I got there in a very obscure way, and since it was so much harder than the rest of the quotes, I'm thinking I might be on the wrong track.
-The Q7 part: I get it to 7 characters, not 6. Perhaps you have included a 7 character variation, and it's only the Q6 part that I get wrong. Since it's only one question, it's hard to know if I'm wrong on both, or just one, and in that case - which one.