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:
| Release date | Length | Director(s) | Character name | Character type | Leading lady |
| --- | --- | --- | --- | --- | --- |
| October 12, 1929 | 10297ft. 115 min. | Mal St. Clair Clyde Bruckman | Harold Bledsoe | Industrious Detective | Barbara Kent |
| November 8, 1930 | 8130ft. 90 min. | Clyde Bruckman | Harold Horne | Ambitious Fumbler | Barbara Kent |
| September 23, 1932 | 8852ft. 98 min. | Clyde Bruckman | Harold Hall | Meek Fumbler | Constance Cummings |
| August 7, 1934 | 9157ft. 102 min. | Sam Taylor | Ezekiel Cobb | Missionary turned Reformer | Una Merkel Grace Bradley |
| March 25, 1936 | 8010ft. 89 min. | Leo McCarey | Burleigh Sullivan | Milkman turned Prizefighter | Verree Teasdale Helen Mack Dorothy Wilson |
| July 29, 1938 | 8550ft. 93 min. | Elliott Nugent | Prof. Dean Lambert | Fumbling Professor | Phyllis Welch |
| April 4, 1947 | 8010ft. 89 min. | Preston Sturges | Harold Diddlebock | Clerk turned Promotor | Frances Ramsden |
| October 28, 1950 | 6930ft. 76 min. | Preston Sturges | Harold Diddlebock | Clerk turned Promotor | Frances Ramsden |
Question:
What is the character name that has phyllis welch as the leading lady?
Answer:
Prof. Dean Lambert