Sodium tungstate has formula $$\mathrm{Na_2WO_4}$$ and lead phosphate has formula $$\mathrm{Pb_3(PO_4)_2}$$. The formula for lead tungstate should be

A

$$\mathrm{PbWO_4}$$

B

$$\mathrm{Pb_2(WO_4)_3}$$

C

$$\mathrm{Pb_3(WO_4)_2}$$

D

$$\mathrm{Pb_3(WO_4)_4}$$