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:
| Round | Overall | Player | Position | College |
| --- | --- | --- | --- | --- |
| 1.0 | 21.0 | Reggie Nelson | Free Safety | Florida |
| 2.0 | 48.0 | Justin Durant | Linebacker | Hampton |
| 3.0 | 79.0 | Mike Walker | Wide receiver | UCF |
| 4.0 | 101.0 | Adam Podlesh | Punter | Maryland |
| 4.0 | 113.0 | Brian Smith | Defensive end | Missouri |
| 5.0 | 149.0 | Uche Nwaneri | Offensive Guard | Purdue |
| 5.0 | 150.0 | Josh Gattis | Safety | Wake Forest |
| 5.0 | 166.0 | Derek Landri | Defensive Tackle | Notre Dame |
| 7.0 | 229.0 | John Broussard | Wide Receiver | San Jose State |
| 7.0 | 251.0 | Chad Nkang | Strong Safety | Elon |
| 7.0 | 252.0 | Andrew Carnahan | Offensive Tackle | Arizona State |
Question:
What is the lowest round for an offensive guard when the overall is smaller than 150?
Answer:
5.0