At the meeting of creditors held under
section 341 of this title, creditors may elect one person to serve as trustee in the case if election of a trustee is requested by creditors that may vote under subsection (a) of this section, and that hold at least 20 percent in amount of the claims specified in subsection (a)(1) of this section that are held by creditors that may vote under subsection (a) of this section.