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:
| Missouri vs. | Overall Record | at Columbia | at Opponent's Venue | at Neutral Site | Last 5 Meetings | Last 10 Meetings | Current Streak | During Time in Big 12 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Baylor | MU, 16-10 | MU, 10-2 | BU, 6-4 | Tied, 2-2 | MU, 4-1 | MU, 7-3 | W 4 | MU, 13-6 |
| Iowa State | MU, 149-84 | MU, 84-21 | ISU, 56-49 | MU, 16-5 | MU, 5-0 | MU, 9-1 | W 9 | MU, 20-14 |
| Kansas | KU, 173-95 | KU, 65-57 | KU, 89-31 | KU, 19-7 | KU, 4-1 | KU, 8-2 | L 1 | KU, 25-10 |
| Kansas State | KSU, 118-117 | MU, 64-41 | KSU, 60-44 | KSU, 15-8 | KSU, 4-1 | KSU, 6-4 | L 3 | MU, 18-15 |
| Oklahoma | OU, 112-97 | MU, 62-31 | OU, 65-21 | OU, 16-14 | MU, 4-1 | MU, 7-3 | W 3 | OU, 13-11 |
| Oklahoma State | MU, 77-41 | MU, 45-7 | OSU, 29-21 | MU, 10-5 | MU, 3-2 | MU, 7-3 | W 2 | MU, 11-9 |
| Texas | MU, 14-12 | MU, 7-4 | UT, 6-4 | MU, 3-2 | MU, 4-1 | MU, 6-4 | W 3 | UT, 11-9 |
| Texas A&M | MU, 14-11 | MU, 6-3 | TAMU, 7-4 | MU, 4-1 | MU, 3-2 | TAMU, 7-3 | W 1 | Tied, 10-10 |
| Texas Tech | MU, 15-8 | MU, 8-2 | TTU, 6-3 | MU, 4-0 | MU, 5-0 | MU, 8-2 | W 7 | MU, 13-7 |
| *As of March 14, 2013 | *As of March 14, 2013 | *As of March 14, 2013 | *As of March 14, 2013 | *As of March 14, 2013 | *As of March 14, 2013 | *As of March 14, 2013 | *As of March 14, 2013 | *As of March 14, 2013 |
Question:
What is the at opponent's venue record where the current streak is W 4?
Answer:
BU, 6-4