You find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January $15,2022.$ The bonds have a par value of $$2,000$ and semiannual coupons.

$\backslash$table$[[\backslash$table$[[$Company$],[($Ticker$)]],$Coupon,Maturity,Last Price,Last Yeild,$\backslash$table$[[$Estimated $$],[$Volume$],[(000$s$)]]],[\backslash$table$[[$Xenon$,],[$Incorporate$],[$d $($XIC$)]],5\mathrm{.}500,\backslash$table$[[$January $15,],[2035]],94\mathrm{.}195,??,57,363],[\backslash$table$[[$Kenny$],[$Corporation$],[($KCC$)]],7\mathrm{.}130,\backslash$table$[[$January $15,],[2029]],??,6\mathrm{.}04,48,942],[\backslash$table$[[$Williams$],[$Company$],[($WICO$)]],??,\backslash$table$[[$January $15,],[2031]],94\mathrm{.}745,6\mathrm{.}86,43,803]]$

What is the coupon rate for the Williams Company Bond?