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:
| Oklahoma vs. | Overall Record | at Norman | at Opponent's Venue | at Neutral Site | Last 5 Meetings | Last 10 Meetings | Current Streak | Since Beginning of Big 12 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Baylor | OU, 36-8 | OU, 18-3 | OU, 16-4 | OU, 2-1 | BU, 3-2 | OU, 7-3 | W 3 | OU, 27-3 |
| Iowa State | OU, 110-78 | OU, 60-22 | ISU, 45-37 | OU, 13-11 | OU, 4-1 | OU, 7-3 | L 1 | OU, 12-6 |
| Kansas | KU, 135-64 | KU, 45-40 | KU, 69-16 | KU, 21-8 | KU, 5-0 | KU, 7-3 | W 1 | KU, 14-4 |
| Kansas State | OU, 102-91 | OU, 58-25 | KSU, 55-35 | KSU, 11-9 | KSU, 4-1 | OU, 6-4 | L 2 | OU, 10-6 |
| Oklahoma State | OU, 127-94 | OU, 78-26 | OSU, 60-42 | OSU, 7-6 | OSU, 4-1 | OU, 6-4 | L 1 | tied, 16-16 |
| Texas | OU, 37-31 | OU, 23-10 | UT, 17-16 | OU, 8-4 | UT, 4-1 | UT, 8-2 | L 1 | tied, 18-18 |
| Texas Tech | OU, 30-18 | OU, 18-6 | TTU, 11-10 | OU, 2-1 | OU, 3-2 | OU, 7-3 | W 1 | OU, 21-10 |
| *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. | *Through games of Wednesday, February 23, 2011. |
Question:
what is the current streak when the last 5 meetings is osu, 4-1?
Answer:
L 1