There is no bias in the survey question In order for a question to be biased, it is necessary for it to be formulated in the way that it explicitly expresses a position regarding the issue that is being assessed.
For the question to biased it would have to be formulated like this: "Should a state have the power to kill a person for breaking the law, leaving the federal courts with no decision power regarding these matters, potentially increasing the chance of an erroneous verdict?".