Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| meas. num | passed | YES votes | NO votes | % YES | Const. Amd.? | type | description |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | YES | 189321.0 | 124160.0 | 60.39% | Yes | LEG | Taxpayer Voting Qualification Amendment |
| 3.0 | YES | 149833.0 | 121852.0 | 55.15% | Yes | LEG | Six Percent Tax Limitation Amendment |
| 4.0 | No | 131273.0 | 200496.0 | 39.57% | No | Ref | Oleomargarine Tax Bill |
| 6.0 | No | 58076.0 | 237218.0 | 19.67% | No | Ref | Higher Education Appropriation Bill |
| 7.0 | YES | 206619.0 | 138775.0 | 59.82% | No | Init | Bill to Repeal State Prohibition Law of Oregon |
| 8.0 | No | 151790.0 | 180609.0 | 45.66% | No | Init | The Freight Truck and Bus Bill |
| 10.0 | No | 99171.0 | 162552.0 | 37.89% | Yes | Init | Tax and Debt Control Constitutional Amendment |
| 11.0 | No | 117940.0 | 154206.0 | 43.34% | No | Init | Tax Supervising and Conservation Bill |
Question:
What is the description of the measure that got 39.57% yes votes?
Answer:
Oleomargarine Tax Bill